Optimization problems with an open-top box — Krista King ...
May 26, 2020· After cutting out the squares from the corners, the width of the open-top box will be 5 − 2 x 5-2x 5 − 2 x, and the length will be 7 − 2 x 7-2x 7 − 2 x. We're being asked to maximize the volume of a box, so we'll use the formula for the volume of a box, and substitute in the length, width, and height of the open-top box.