A box is constructed by cutting out square corners of a rectangular piece of cardboard and folding up the sides. If the cutout corners have sides with length x, then the volume of the box is given by the polynomial 4x^3-56x^2+160x. Find the volume of the box when x=3 inches.

Question

asapbleh · Answer

As I look into your problem, don't you just plug in 3 in your polynomial to get your volume, since that polynomial already states that it is the volume?