Find the Solution of the Equation $4 ^ { - x } = 64$

Multiple Choice

Find the solution of the equation. $4 ^ { - x } = 64$

A) $x = \frac { 1 } { 2 }$
B) $x = \frac { 1 } { 3 }$
C) $x = - 3$
D) $x = - 5$
E) $x = 2$