For the Given Functions F and G, Find the Composition $f ( x ) = x ^ { 2 } - 6 x + 3 ; g ( x ) = \sqrt { x } \quad$

Multiple Choice

For the given functions f and g, find the composition.
- $f ( x ) = x ^ { 2 } - 6 x + 3 ; g ( x ) = \sqrt { x } \quad$ Find $( f \circ g ) ( 9 )$

A) $- 12$
B) $- 15$
C) $- 6$
D) $- 9$