Find the Composition $f ( x ) = \frac { x - 6 } { 4 }$

Multiple Choice

Find the composition.
-If $f ( x ) = \frac { x - 6 } { 4 }$ and $g ( x ) = 4 x + 6$ , find $g [ f ( x ) ]$

A) $x$
B) $x - \frac { 3 } { 2 }$
C) $x + 12$
D) $4 x + 18$