Posted by Amber on Friday, October 16, 2009 at 9:48am.
a rectangular piece of cardboard that measures 4 by 3 inches is to be formed into a rectangular box by cutting squares with length x from each corner and folding up sides. Find the volumes of the box in terms of x

calculus  bobpursley, Friday, October 16, 2009 at 10:00am
4=2h+length
3=2h+width
but x has to be h
Volume=hwl=x(42x)(32x)
check that.