116 articles trouvés pour ce sujet.
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UFO speed in MPH from nearest galaxy in one year |
2021-05-22 |
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Joe pose la question :
If the next closest galaxy is 15 quadrillion miles away and there are 8760 hours
in one year; how fast would a UFO have to fly to travel from the next
galaxy, in MPH in one year ?
Google calculator gives this result: 1.7123288e+12
I don't understand what the "e+12" means.
How is that pronounced, ex. trillion, quadrillion etc..?
Harley lui répond. |
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Power notation |
2020-04-26 |
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Aditi pose la question :
The power notation of -1 / 128
Penny Nom lui répond. |
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The exponential form of sqrt(13) |
2019-02-10 |
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isaebl pose la question :
what is the exponential form of sqrt(13)
Penny Nom lui répond. |
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Exponential form |
2018-09-14 |
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Saquanna pose la question :
What is 25 in exponential form
Penny Nom lui répond. |
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Exponential form |
2018-09-12 |
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Grace pose la question :
hi, I can't figure out how to do 735 in exponential form. note that im only in 5th grade and its not supposed to be in the scientific notation or whatever. okay, thanks!
Penny Nom lui répond. |
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The square root 3 in exponential form |
2018-05-09 |
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Paige pose la question :
how do you write the square root 3 in exponential form
Penny Nom lui répond. |
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Exponential form |
2017-11-25 |
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Sherry pose la question :
What is the exponential form of 3sqrt 15?
Penny Nom lui répond. |
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Exponential form |
2017-07-06 |
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estela pose la question :
what is exponential form of 9×1000
Penny Nom lui répond. |
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Exponential form |
2017-03-04 |
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michael pose la question :
I was teaching my student about exponent when we stumbled across this problem.
"write (-125)^-3 in exponent form"
The problem is with the number "-125". I think -125 = (-5)^3. But one of my student thought that it is -125= -5^3.
Both of them is equal to -125 but they totally different in structure. I wonder which one is correct and why it is. I am worried if they get this wrong, it might spell problem in the future when we start substituting the numbers with variable.
Thank you very much for reading my question and answering it.
Penny Nom lui répond. |
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Exponential form |
2016-08-31 |
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Lily pose la question :
Hi! I was wondering, I was having a little issue understanding this one problem. It was "write 81 in exponential 2 different ways" and I already got 9(2) but I was wondering what the second one could be! Thanks! -Lily
Penny Nom lui répond. |
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Exponential form |
2016-01-26 |
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Jufe pose la question :
What is the exponential form of ³√11x²
Penny Nom lui répond. |
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Exponential growth |
2016-01-26 |
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Paul pose la question :
The value of a stamp was 0.03 in 1851. The value in 2011 is $50,000. If the value increased exponentially, what is the annual growth rate?
Penny Nom lui répond. |
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Exponential form |
2015-10-17 |
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Will pose la question :
What is exponential form of -8?
Penny Nom lui répond. |
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Exponential notation |
2014-11-27 |
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Jaqui pose la question :
May sound super easy, but how would you SHOW that you simplified
3x3 to the power of 2 (the little 2)?
thank you!
Jaqui
Penny Nom lui répond. |
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Prime factorization in exponent form |
2014-10-31 |
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Emma pose la question :
I need to find out how to make a prime factorization of 120 in exponential form.
Penny Nom lui répond. |
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What is the exponential form of 1/square root of 6v? |
2014-02-16 |
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Prince pose la question :
What is the exponential form of 1/square root of 6v
Penny Nom lui répond. |
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Prime factorization |
2014-02-06 |
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Kadeejah pose la question :
Write the prime factorization of 37 in exponential form
Penny Nom lui répond. |
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Exponential form |
2013-12-01 |
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Alina pose la question :
My question says to express each number in exponent form in as many different ways as I can; 16, 81 and 64. How do I do this?
Penny Nom lui répond. |
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How do i write log_8(P) =7 in exponential form? |
2013-04-14 |
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nancy pose la question :
How do i write this in exponential form log8P =7
Penny Nom lui répond. |
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Exponential form |
2013-02-05 |
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Sandra pose la question :
What is 37,008 in exponential form? Help me please!!!
Penny Nom lui répond. |
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What's your secret? |
2012-11-11 |
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ryan pose la question :
Tuscan school has a fair. At the fair, Pia plays "what's your secret?
The game starts with 3 players who are told the same secret.
Each of those 3 players tells another 3 player, and so on.
At the end of the 3rd round, everyone who knows the secret
will compare what they have heard. What number in exponent form
represents the number of people who know the secret after 3 rounds?
How many people is that?
Thank you very much.
P.S. I got 3 cube. which is 27
But when i map it out I end up with 39.
Penny Nom lui répond. |
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Exponential form |
2012-09-04 |
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angie pose la question :
How do i write 9^-5 in exponential form?
Penny Nom lui répond. |
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Exponntial form |
2012-08-30 |
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Robin pose la question :
My math teacher has asked the question:
"Write mmmxxjmyy2 in exponential form"
How would you solve this problem?
Penny Nom lui répond. |
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The exponential function form f(x)=a^x |
2012-08-13 |
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Lucy pose la question :
Hi,
Why does the "a" value in the exponential function form f(x)=a^x have to be negative?
Penny Nom lui répond. |
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Expanded exponential form? |
2012-06-12 |
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Ramon pose la question :
express the numbers 990 614 000 005 in expanded exponential form.
Harley Weston lui répond. |
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The spread of a rumor |
2012-04-09 |
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Roohi pose la question :
The function f(t) = a/(1+3e^(-bt)) has also been used to model the spread of a rumor. Suppose that a= 70 and b=3 0.2. Compute f(2), the percentage of the population that has heard the rumor after 2 hours. Compute f'(2) and describe what it represents. Compute lim t approaches infinity and describe what it represents.
Penny Nom lui répond. |
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Radioactive decay |
2012-04-02 |
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Christy pose la question :
Hello, how do I go about answering this question?
Should I be using the formula Ce^(kt)?
Given that the decay constant for Radium is -.000428/year, how long, to the nearest year, does it take a sample to decay to 15% of its present mass?
Penny Nom lui répond. |
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Exponential form |
2012-01-15 |
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Helen pose la question :
How do you write (1/x) in exponential form?
Penny Nom lui répond. |
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Exponential form |
2011-12-12 |
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Zoey pose la question :
What is the exponential form of 1/8??
Penny Nom lui répond. |
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I started with Euler's identity and manipulated it |
2011-11-14 |
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anonymous pose la question :
I started with Euler's identity and manipulated it
e^i*pi=-1
e^-i*pi=(-1)^-1
e^-i*pi=-1
e^-i*i*pi=(-1)^i
e^--pi=(-1)^i
e^pi=(-1)^i
type it in in a calculator and you get e^pi=23.1406926... and
(-1)^i=0.0432139183... What did I do wrong?
Robert Dawson lui répond. |
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A log equation in exponential form |
2011-11-11 |
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Sarah pose la question :
Express the equation in Exponential form
log2 to the 16th power=4
Penny Nom lui répond. |
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Exponential form? |
2011-08-30 |
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Emily pose la question :
I have a 6th grader that needs to find out what is the exponential form of 461,885,811
Penny Nom lui répond. |
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Exponential form |
2011-08-23 |
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kiara pose la question :
The African bush elephant is the largest land animal and
weighs about 8 tons . Write the amount in exponential form .
Robert Dawson lui répond. |
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Exponential form |
2011-05-18 |
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Kara pose la question :
How do I write this in exponential form?
log 1/8 = -3
Penny Nom lui répond. |
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(7cubed * 8(exponent6))exponent 6 |
2011-01-29 |
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Shalaine pose la question :
What is the exponential form of (7cubed•8(exponent6))exponent 6?
Penny Nom lui répond. |
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Exponential form |
2011-01-02 |
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jumana pose la question :
find any five examples of exponential form from real life situation
Penny Nom lui répond. |
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Powers |
2010-10-20 |
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dylan pose la question :
how do you write 20736 in exponential form .same for 1728 and 50625.
is there a formula to figure out how to express large know numbers in exponential form.
Penny Nom lui répond. |
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An exponential equation |
2010-10-19 |
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Sandi pose la question :
Question from sandi, a student:
I have several questions similar to this one and was wondering if you could walk me through this one. I'm totally lost on how to do it.
Paramecia reproduce by splitting in two. In a laboratory flask, a colony of paramecia had an initial population of 500. Each day, the population of the paramecia was counted. The results are as listed.
Time (in days)------Population
0-----------------------500
1-----------------------600
2-----------------------720
3-----------------------864
4----------------------1037
5---------------------1244
6---------------------1493
7----------------------1792
8---------------------2150
1.)Using graphing calculator make a scatter plot of the data in table.
I think I did this part right I set my window at Xmin=0 Xmax=10 Xscl=1 Ymin=0 Ymax=2500 Yscl=100 Xres=1
2.) Determine an exponential equation to represent the population as a function of time without using a graphing calculator.I have no clue how to do this.
3.)Suppose the flask and food supply is large enough to support the trend of the population growth. Estimate the population of the colony when the time is 10 days.
Penny Nom lui répond. |
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Exponential form |
2010-10-06 |
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celina pose la question :
what is the exponential form of 4x*4x
Penny Nom lui répond. |
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Exponential form |
2010-08-24 |
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Courtney pose la question :
What the Exponential form? For Ex. X2*X5*X4??
Penny Nom lui répond. |
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Exponential form |
2010-06-16 |
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charlotte pose la question :
what is the exponential form of 6x6x6x5x5x5x5=
Robert Dawson lui répond. |
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graph y=(2x^2-3x)e^ax |
2010-05-31 |
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James pose la question :
graph y=(2x^2-3x)e^ax
Robert Dawson lui répond. |
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Exponential form |
2009-09-18 |
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karen pose la question :
Q: Write the following in exponent from: a * a * a * a * * * a, where there are n -1 a's
note: *asterisk means times.
Penny Nom lui répond. |
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Exponential form |
2009-09-08 |
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hanna pose la question :
hi,
well i am really bad in math and i have a math paper and i was just
wondering what 3x3x3x3x3 was in exponential form and what is
exponential in a way a person like me would understand?
Penny Nom lui répond. |
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What is 8 tons in exponential form? |
2009-09-01 |
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Tyler pose la question :
what is 8 tons in exponential form
Penny Nom lui répond. |
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Exponential form |
2009-08-31 |
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cecil pose la question :
what is the exponent form 564000?
Stephen La Rocque and Harley Weston lui répond. |
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Fitting the curve y=a*exp(b*x)+c |
2009-08-12 |
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aika pose la question :
Could one show me the complete algorithm and formula for finding the coefficients (a,b, and c) in exponential regression model
y=a*exp(b*x)+c
Robert Dawson lui répond. |
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Exponential form |
2009-08-05 |
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motaz pose la question :
Let x = log_2 1/8 Write the exponential form of the equation and solve the equation for x
Stephen La Rocque lui répond. |
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Exponential form |
2009-04-16 |
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Pete pose la question :
Hi,
How do you express ³√h^-4 in exponential form. I am having a lot of
trouble with this one.
thanks
Pete
Stephen La Rocque lui répond. |
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Grain of rice on a chess board |
2009-03-30 |
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andy pose la question :
Is there an easy way for my students to find out 8 to the power of 21 to solve the grains of rice doubling investigation on a chessboard? Any suggestions welcome. Thanks very much
Robert Dawson and Claude Tardif lui répond. |
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What is i^i? |
2008-12-27 |
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randomness pose la question :
i have learnt that 'i' is square root of -1. What is then i^i ? It baffles my maths teacher...
Robert Dawson and Penny Nom lui répond. |
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Exponential form |
2008-10-21 |
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layla pose la question :
how we wite 256 in exponential form
Harley Weston lui répond. |
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Logs and exponentials |
2008-10-06 |
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Charles pose la question :
I seem to remember you could solve exponential problems using natural logs quite simply without calculators, such as the fifth root of 400 or 33 to the 4th power. All you did was convert the number to its natural log and then just divide by 5 or multiply by 4 and then convert it back. I just remember how to do this. Thanks.
Harley Weston lui répond. |
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Exponential form |
2008-09-25 |
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Pat pose la question :
The African bush elephant is the largest land animal and weighs about 8 tons. Write this amount in exponential form.
Penny Nom lui répond. |
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Exponential form |
2008-09-16 |
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shawn pose la question :
Write the product in exponential form: 5.5.5.2
Penny Nom lui répond. |
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What is the derivative of (2^sinx)/(logbase4(2x+1))? |
2008-09-16 |
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Jesse pose la question :
What is the derivative of (2^sinx)/(logbase4(2x+1))
Harley Weston lui répond. |
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Solving Exponential Equations Using Logarithms |
2008-09-15 |
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Todd pose la question :
7(6^x)=6e^-2x
Janice Cotcher lui répond. |
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1,679,616 as a power of 6 |
2008-09-03 |
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Denise pose la question :
express 1,679,616 in exponential form as a power of 6.
Penny Nom lui répond. |
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Solve e^x + e^(x+1) = 250 |
2008-08-25 |
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Laura pose la question :
"solve this equation correct to three decimals"
e^x + e^x+1= 250
Penny Nom lui répond. |
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Right Sided Limit of an Exponential Function |
2008-07-29 |
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joseph pose la question :
I am trying to find the limit as X approaches 0 from the positive side of x to the sin of x
which look like this lim x^sinx
x->0+
Harley Weston lui répond. |
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Exponential form |
2008-07-03 |
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Kent pose la question :
How to write 8 365 005 106 in expanded and exponential form? May I request you also to explane how does it solve.
Stephen La Rocque lui répond. |
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Write log_2 (1/8) = -3 in exponential form |
2008-06-27 |
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Jaime pose la question :
how do you write log2 (1/8) = -3 in exponential form?
the 1/8 is a fraction and the 2 is a base of 2
Penny Nom lui répond. |
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The cube of -2y in exponential form |
2008-05-19 |
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Xiu pose la question :
I dont get this question..
Write "the cube of -2y" in exponential form. I know the answer is -(2y)^2 but i really don't understand why. Can you explain how to do this whole problem for me?
Leeanne Boehm lui répond. |
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The inverse of a function |
2008-05-03 |
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keith pose la question :
please help me find the inverse of this function:
h(t) = 2 + 4 ln(1-5t)
Stephen La Rocque lui répond. |
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The exponential form of x radical y to the third power |
2008-03-30 |
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Jennifer pose la question :
what is the exponential for of x radical y to the third power
Penny Nom lui répond. |
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Exponential form |
2008-02-16 |
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annna pose la question :
i already got the answer for what is the prime factorization of 648 which is 2x2x2x3x3x3x3
but how do i write that answer in exponential form?
Penny Nom lui répond. |
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Growth factor and growth rate |
2008-02-13 |
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william pose la question :
what is the difference between growth factor and growth rate?
Stephen La Rocque and Harley Weston lui répond. |
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How do I write the following in exponential form? |
2008-01-09 |
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Mandy pose la question :
How do I write the following in exponential form?
( square root of a^-2 b)^5
Penny Nom lui répond. |
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Exponential form |
2008-01-08 |
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liam pose la question :
i was wondering if anyone could help me with this question and tell me how and what the did; exponetial form of 4 326 180 501
Stephen La Rocque lui répond. |
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Multiplying exponentials |
2008-01-02 |
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jessie pose la question :
Can you please explain how to put x^3 y^2 times x^1 y^3 in simplest exponential form?
Penny Nom lui répond. |
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Radicals in exponential form |
2008-01-02 |
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Andre pose la question :
The title of the section in my textbook is to write each of the following
radicals in exponential form.
My question is how do u write the squareroot of 10 in exponential form?
Penny Nom lui répond. |
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Exponential form |
2007-11-30 |
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Sasha pose la question :
How do I write the number 127398 in exponential for?
Penny Nom lui répond. |
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Exponential Growth |
2007-11-19 |
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lisa pose la question :
Hi i am a 8th grader who is learning about algebra
and we are having test on exponent and i don't really get it
i asked my teacher and she told me i should pay more attention
so i want to know what exponential Growth means
Penny Nom lui répond. |
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Exponential form |
2007-11-16 |
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ashley pose la question :
write a sentence for exponential form.
Penny Nom lui répond. |
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Doubling every day |
2007-10-07 |
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Jerrie pose la question :
Patti saved pennies for 10 days. The first day she saved 1 cent. Every day after that she saved twice as much as the day before. How much money did Patti save altogether?
Stephen La Rocque lui répond. |
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Exponents |
2007-09-26 |
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Calvin pose la question :
Exponential form
5 3exponent x 5 4exponent divide 5 2exponent
Stephen La Rocque lui répond. |
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Exponential regression |
2007-09-24 |
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Anonymous pose la question :
I need help in finding this. Find a formula for exponential regression.
Determine how to calculate a and b in the formula.
Y = ba^x
where y is as a function of x.
Penny Nom lui répond. |
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Exponential form |
2007-09-12 |
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Ericha pose la question :
How do I express 1,679,616 in exponential form as a power of 6 using a calculator?
Stepehe La Rocque and Penny Nom lui répond. |
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Prime factors in exponential form |
2007-09-06 |
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Michelle pose la question :
how would you write this: factor 48 as a product of primes written in exponential form
Stephen La Rocque lui répond. |
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Exponential form |
2007-09-05 |
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jeanette pose la question :
the African bush elephant is the largest animal and weighs 8 tons. write this amount in exponential form.
Stephen la Rocque and Penny Nom lui répond. |
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Exponential form |
2007-08-31 |
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Victoria pose la question :
The cost of each space shuttle is about $10,000,000.
Write this amount in exponential form.
Stephen La Rocque lui répond. |
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Exponential form |
2007-08-29 |
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Emily pose la question :
Write the Exponential Form of 125 x 25 and 81 x 27.
Stephen La Rocque lui répond. |
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Exponential form: x^y |
2007-06-22 |
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Kishor pose la question :
whats the easy way to calculate X raised to Y where y is much greater than x.
Stephen La Rocque lui répond. |
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Understanding log equations |
2007-05-10 |
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Sean pose la question :
The number, N, of people who have heard a rumor spread by mass media at time, t, in days is modelled by N (t) = a / 1+ be^ -kt. If 50 people have heard the rumour initially and 300,000 people hear the rumour eventually, find a and b. If the rumour is initially spreading at the rate of 500 people per day, find k.
Penny Nom lui répond. |
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Exponential form |
2007-04-16 |
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Cassia pose la question :
I was just wondering, how do you write the squared root of 7x(to the 5th) in
exponential form? If you could help explain that I'd be grateful. Thanks
Brennan Yaremko lui répond. |
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exponential decay of Carbon-14 |
2007-03-12 |
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Christine pose la question :
How do I set up the exponential decay formula for Carbon 14 with an initial amount of 1500 grams.
Stephen La Rocque lui répond. |
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Exponential form of complex numbers |
2007-02-12 |
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Austin pose la question :
When dealing with imaginary numbers in engineering, I am having trouble getting things into the exponential form. The equation is -1+i now I do know that re^(theta)i = r*cos(theta) + r*i*sin(theta). Just not quite understanding the order of operations. Thanks
Penny Nom lui répond. |
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After how many hours will the class have been notified? |
2006-11-10 |
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Brittany pose la question :
A college math class consists of 32 students. On Monday at 9:00 a.m., the teacher tells one student to notify other students that the test scheduled for Wednesday at 9:00 a.m. has been cancelled. The model for the number of students in the class who will have heard this information after t hours is N=32-32e^-0.02t. After how many hours will the class have been notified?
Stephen La Rocque lui répond. |
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Putting things in exponent form |
2006-10-18 |
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Sheila pose la question :
Write in exponential form 2 sq. root a with an exponent 5.
I do not understand on how to do it.
Stephen La Rocque lui répond. |
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Geometric sequence and basic functions (graphs) |
2006-04-20 |
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Marlene pose la question :
Which of the basic functions is related to the geometric sequence:
Linear, Quadratic, Rational, or Exponential?
Can you give me an example of how it would be used in normal life?
Stephen La Rocque lui répond. |
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An exponential function |
2006-04-03 |
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Meadow pose la question :
The graph of an exponential function passes through the points (0,1) and (4,10) find the constant of growth or decay. State the function.
Stephen La Rocque lui répond. |
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Exponential decay |
2006-03-29 |
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Casey pose la question :
Fifty milligrams of a drug was injected into a patient at 6am. The drug is known to be eliminated according to the law of exponential decay. At 8.30am it was determined that 60% of the drug remained in the body. How many milligrams will remain in the body at midday?
Penny Nom lui répond. |
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Express t as a function of d |
2005-11-30 |
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Matthew pose la question :
I have a problem on my homework I cant seem to figure out. Basically it gives me this Linear Regression Equation:
ln t=1.5 ln d-0.8954
and it wants be to transform the equation expressing t as a function of d. For some reason I keep getting it wrong. Anyone got an idea of how to do this?
Penny Nom lui répond. |
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2^10 = -1/2^x - 1 |
2004-12-13 |
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Randy pose la question :
Could you explain to me how the following equation is solved please.
2^10 = -1/2^x - 1
Harley Weston lui répond. |
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e = ln(b/a) solve for a |
2004-12-01 |
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Daniel pose la question :
I am trying to make "a" the subject of this equation "e = ln(b/a)" but am not sure if i'm doing it right. Any help would be appriciated,
Claude Tardif lui répond. |
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x = 2^x |
2004-07-12 |
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A student pose la question :
If the graphs of y=x and y=2x are drawn on the same set of axes, they will intersect when x is equal to what?
(1)1
(2)2
(3)0
(4)They won't intersect.
I know the answer is number 4 by graphing which is permitted; however, I would like to know if there is any algebraic way to do this type of problem.If yes, please show me how.Thanks.
Penny Nom lui répond. |
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A sequence that converges to e |
2003-03-16 |
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Dane pose la question :
Something I noticed fooling around with a calculator about 30 years ago.
Considering e = 2.718281828459045....
Using Window's Calculator you will find
1.111 = 2.8531167...
1.01101 = 2.731861...
1.0011001 = 2.71964085...
1.000110001 = 2.71841774...
1.00001100001 = 2.7182954...
1.00000110000011 = 2.178231875...
1.000000110000001 = 2.178219643...
There apears to be a pattern. My conjecture is:
1.'infinite number of zeros'11'infinite number of zeros'1 = e.
Penny Nom lui répond. |
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Exponential notation |
2002-10-19 |
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Ivy pose la question :
I understand how to figure out for example 4 to the power of 3,what I don't understand is how to figure it out using both negative numbers and negative exponents,as an exaple -4 to the power of 6 and what makes this different that (-5) to the power of 7,please help me if you can.I am an adult taking correspondence and finding it quite frustrating.
Penny Nom lui répond. |
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Exponential form |
2001-12-11 |
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Crystal pose la question :
Hi, I am asking a question on behalf of a homeschooling grade 11 student. She is having trouble with changing something like (3-4)2 into a exponential form. First of all she needs to know what the term means "exponential form" and then the process of it.
Penny Nom lui répond. |
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Earthquake warning |
2001-09-03 |
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Dillon pose la question :
In the city of Skangai there are 6 million people.Each person has to tell 2 more people that theres going to be an earthquake. After they do they leave the city. There will be no duplications.It takes 3 minutes to tell each person. How long will it take for the whole city to know about the earthquake?
Penny Nom lui répond. |
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Exponential form |
2001-06-06 |
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A student pose la question :
Hello can u please answer my question what is the exponent form of 8x8x8x8
Penny Nom lui répond. |
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Conservation, consumption and population growth |
2001-06-04 |
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Steve pose la question :
I'm trying to quantify the relation between conservation/consumption and population growth. For instance let's consider California: The 2000 census states that California's population grew from 29,760* in 4-1990 to 33,871 in 4-2000. I want to find r or rate of growth per year. Based on the exponential growth formula for population growth:
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Penny Nom lui répond. |
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Graphing F(x) = 3x |
2000-11-06 |
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Jose pose la question :
graph the exponential problem F(x)=3x
Harley Weston lui répond. |
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Radioactive decay |
2000-05-18 |
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Catherine Sullivan pose la question :
Please help me with the following: The radioactive isotope carbon-14 is present in small quantities in all life forms, and it is constantly replenished until the organism dies, after which it decays to carbon-12 at a rate proportional to the amount of C-14 present, with a half life of 5730 years. Suppose C(t) is the amount of C-14 at time t. - Find the value of the constant k in the differential equation: C'=-kC
- In 1988 3 teams of scientists found that the Shroud of Turin, which was reputed to be the burial cloth of Jesus, contained 91% of the amount of C-14 contained in freshly made cloth of the same material. How old is the Shroud according to the data?
Harley Weston lui répond. |
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A colony of bacteria |
2000-04-22 |
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Nicci Demmin pose la question :
Suppose that the bacteria in a colony can grow unchecked, by the law of exponential change. The colony starts with one bacterium and doubles every half hour. How many bacteria will the colony contain at the end of 50 hours?
Penny Nom lui répond. |
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y = x^x^x^x... |
2000-04-05 |
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Michael Hackman pose la question :
Find the derivative of: y = x^x^x^x... on to infinity.
Claude Tardif lui répond. |
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Compounding continuously |
2000-03-21 |
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Gina pose la question :
You deposit $1500 in an account that pays 6.5% annual interest, compounded continuously. Find the balance after 10 years. I'm not sure what to do with the "compounded continuously" part.
Penny Nom lui répond. |
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Functions that satisfy f' = f |
2000-03-16 |
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Kevin Palmer pose la question :
Recently my calculus teacher asked his students to try and find any functions whose derivatives where the exact same as the original function. The only function then I have determined that statement to be accurate in is all the natural exponential functions. Ex. f(x) = ex, f'(x) = ex If possible could you please email me all the functions that you can find in which the original function and its derivative is identical.
Claude Tardif lui répond. |
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Log Cancel |
1999-12-03 |
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Justin Murray pose la question :
Ok I feel like a goof because I know this and I cant think of an answer But I want to isolate the x in the function y=2^x how do I do this?
Harley Weston lui répond. |
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Zero to the zero |
1999-12-02 |
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A middle school teacher pose la question :
I am a middle school teacher who is looking for a precise explanation of why zero raised to the zero power is undefined. I am hoping to get an explanation using something other than the fact that diividing by zero is undefined.
Penny Nom lui répond. |
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Get rich quick |
1999-12-02 |
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Holly Hutson pose la question :
If one cent were placed in an investment that doubles in value every day, what would be the value of the investment at the end of 30 days?
Penny Nom lui répond. |
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A matching quiz |
1999-11-20 |
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William J. Ricciardi pose la question :
I gave a matching quiz the other day and one of my students got all 9 incorrect. That got me thinking......What is the probability that someone could get all 9 questions incorrect?
Peny Nom lui répond. |
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Two derivatives |
1999-11-16 |
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Gina Renicker pose la question :
The derivative of: y=e(xlnx) and y=x2arctan(x1/2)
Harley Weston lui répond. |
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2 to the x and x squared |
1999-09-17 |
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John pose la question :
For what values of x is 2 to the exponent x greater than x squared?
Harely Weston lui répond. |
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Slopes of curved lines |
1999-06-09 |
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Stephen Ehrler pose la question :
When one plots the graphs of y=2x, y=3x, y=xx When each of these graphs pass through point (0,1) do they have the same slope? I know they are different lines but is it possable that they have the same slope at point (0,1).
Harley Weston lui répond. |
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Natural Logarithm Functions |
1997-04-23 |
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Rickson pose la question :
The following two questions are some of my son's homework that he is having trouble with......any advice or assistance would be appreciated. (eX)5=1000.............the X and 5 are exponents lnx + ln(x+3) = ln10 In each question the problem is to find x.
Harley Weston lui répond. |
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