NEED HELP ASAP!
A box without a top is to be made from a rectangular piece of cardboard, with dimensions 5 in. by 12 in., by cutting out square corners with side length x and folding up the sides.
(a) Write an equation for the volume V of the box in terms of x.
(b) Use technology to estimate the value of x, to the nearest tenth, that gives the greatest volume. Explain your process. Answer:
