Use the One-To-One Property to Solve the Equation for X $\left( \frac { 1 } { 2 } \right) ^ { x } = 4$

Multiple Choice

Use the One-to-One Property to solve the equation for x. $\left( \frac { 1 } { 2 } \right) ^ { x } = 4$

A) $x = 3$
B) $x = - 2$
C) $x = 2$
D) $x = - 3$
E) $x = 4$