Solve for the Equation $e ^ { \sqrt { x } } = e ^ { 16 }$

Multiple Choice

Solve for the equation $e ^ { \sqrt { x } } = e ^ { 16 }$ for $x$ .

A) $x = 16$
B) $x = 4$
C) $x = 4096$
D) $x = 256$
E) $x = 4097$