







Investigating y = (2)^x 
20200113 

Gonzalo pose la question : This is not precisely a maths question, but it is formulated based on my maths curiosity. Fidgetting with my new graphic calculator, I started graphing things and had the idea to graph $y=(2)^x.$
The result surprised me, and I thought a little bit about it, stored it on the back of my brain, and promised myself to look deeper into it someday. Harley Weston lui répond. 





What is 5 squared? 
20190910 

Pori pose la question : What is 5 squared? Penny Nom lui répond. 





A negative minus a negative 
20190903 

Maggie pose la question : Why is a negative minus a negative a negative? Penny Nom lui répond. 





An inequality 
20140125 

LANELL pose la question : this is a problem to solve: 1/3 + 2/7 >=x/21  part of the answer is (oo)
not exactly that similarit is on a calculator as a symbol sure you know what it is I am talking about the x will be a number Penny Nom lui répond. 





A negative times a negative 
20100325 

priya pose la question : why is minus into minus plus? Harley Weston lui répond. 





log(a) 
19991022 

Brenda Miskimmin pose la question : I need to know the mercury concentration in mg/L or ng/L for the following: log M (Hg) = 8.5 where mw of Hg=200.59 (it's the negative sign in front of log that confuses me). Harley Weston lui répond. 





A double negative 
19990901 

Dennis pose la question : If b = 2 what does b = ? As in (a + 8.5)  [(b) + c] a = 1.5, c = 1.7 Penny Nom lui répond. 





(3)x(2) 
19951025 

Azmat pose la question : Why is (3)x(2) = 6? Herley Weston and Ed Giesbrecht lui répond. 

