Answer
$2x^2+\frac{32}{x}$
Work Step by Step
Step 1. Using the figure given in the exercise, we have $V=x^2y=8$, which gives $y=\frac{8}{x^2}\ ft$
Step 2. The surface area can be found as $A=2x^2+4xy=2x^2+4x(\frac{8}{x^2})=2x^2+\frac{32}{x}\ ft^2$
