If $f ( x ) = \sqrt { x + 6 } \text { and } g ( x ) = 3 x - 3$

Multiple Choice

If $f ( x ) = \sqrt { x + 6 } \text { and } g ( x ) = 3 x - 3$ find $( g \circ f ) ( 10 )$ .

A) $-$ 9
B) 10
C) 9
D) $-$ 11