Solve the Problem $S ( x ) = x ^ { 2 } + \frac { 64,000 } { x }$

Multiple Choice

Solve the problem.
-A closed box with a square base has to have a volume of 16,000 cubic inches. Find a function for the surface area of the box. A) $S ( x ) = x ^ { 2 } + \frac { 64,000 } { x }$
B) $S ( x ) = 2 x ^ { 2 } + \frac { 64,000 } { x }$
C) $S ( x ) = 2 x ^ { 2 } + \frac { 16,000 } { x }$
D) $S ( x ) = 2 x ^ { 2 } + \frac { 96,000 } { x }$