+318 A box with a square base and open top must have a volume of 389344 cm3cm3. We wish to find the dimensions of the box that minimize the amount of material used.
First, find a formula for the surface area of the box in terms of only xx, the length of one side of the square base.
height of box in terms of x=_____??
length of the side of the sq bottom=_____cm??
minimum amount of material needed is_____cm^2????
