Find $( g \circ f ) ( x )$ Where $f ( x ) = 4 x - 8$

Multiple Choice

Find $( g \circ f ) ( x )$ where $f ( x ) = 4 x - 8$ and $g ( x ) = \sqrt { x + 4 }$ .

A) $4 \sqrt { x - 4 }$
B) $\sqrt { 4 x - 4 }$
C) $\sqrt { 4 x + 16 } - 8$
D) $( 4 x - 8 ) \sqrt { x + 4 }$
E) $4 \sqrt { x + 4 } - 8$