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OpenStudy (anonymous):
An open rectangular box is to be made from a piece of cardboard 8 in. wide and 15 in. long by cutting a square from each corner and bending up the sides. Find the dimensions of the box of largest volume.
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OpenStudy (anonymous):
the volume will be \[V(x)=x(15-2x)(8-2x)\] multiply out, take the derivative, find the critical points by setting the derivative equal to zero and solve
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