Solve and Check the Equation $$( 5 x + 2 ) ^ { 1 / 2 } = 4$$

Multiple Choice

Solve and check the equation.
- $$( 5 x + 2 ) ^ { 1 / 2 } = 4$$

A) $\left\{ \frac { 14 } { 5 } \right\}$
B) 10
C) $\left\{ - \frac { 2 } { 5 } \right\}$
D) $\left\{ \frac { 16 } { 5 } \right\}$