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 Sujet: critical point
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 Simplify the expression 2012-02-12 Christy pose la question :Hi guys, ok so I'm having problems with solving this equation since it's been so long I've done precal. I have to find critical points so I have to find the derivative first. This is what I've done so far s(t)= (t-6)^4 * (t+1)^2 t'= 4(t-6)^3*(1)*(t+1)^2+ 2(t+1)(1)*(t-6)^4 so this is where I got stuck, which is the algebra part. How can I simplify this to get the answer to figure out the critical points.Penny Nom lui répond. Maximum volume of a box 2008-01-15 Rajesh pose la question :A square piece of a cardboard of sides ten inches has four equal peices are removed at the corners, then the sides are turned up to form an open box. What is the maximum volume such a box can have?Stephen La Rocque lui répond. Smallest cone containing a 4cm radius inscribed sphere 2007-12-19 Eva pose la question :A sphere with a radius of 4cm is inscribed into a cone. Find the minimum volume of the cone.Stephen La Rocque lui répond. Maximizing profit 2007-01-23 Denise pose la question :Total Profit= Total Revenue-Total Cost P(x)=R(x)-C(x) Where x is the number of units sold. Find the maximum profit and the number of units that must be sold in order to get that profit. R(x)=5x C(x)=.001x^2+1.2x+60Stephen La Rocque lui répond.

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