An open-top rectangular box has a square base of side length inches and height inches

MATHEMATICS · Subjective · CBSE · Mathematics · Applications of Derivatives · Applications of Derivatives

Problem

An open-top rectangular box has a square base of side length

x

inches and height

h

inches. The box must contain

288\ \text{in}^3

of volume. Express the total exterior surface area

A

of the box as a function of

x

only.