Solve the Problem $f ( x ) = \sqrt { x } , g ( x ) = \frac { x } { 2 }$

Multiple Choice

Solve the problem.
-If $f ( x ) = \sqrt { x } , g ( x ) = \frac { x } { 2 }$ , and $h ( x ) = 2 x + 4$ , find $f ( g ( h ( x ) ) )$ .

A) $2 \sqrt { x } + 4$
B) $\sqrt { x + 4 }$
C) $\sqrt { x } + 2$
D) $\sqrt { x + 2 }$