Perform the Requested Operation or Operations $$f ( x ) = x ^ { 2 } + 8 ; g ( x ) = \sqrt { x - 3 }$$

Multiple Choice

Perform the requested operation or operations.
- $$f ( x ) = x ^ { 2 } + 8 ; g ( x ) = \sqrt { x - 3 }$$
Find $f ( g ( x ) )$ .

A) $f ( g ( x ) ) = x + 5$
B) $f ( g ( x ) ) = \frac { \sqrt { x - 3 } } { x ^ { 2 } + 8 }$
C) $f ( g ( x ) ) = \left( x ^ { 2 } + 8 \right) ( \sqrt { x - 3 } )$
D) $f ( g ( x ) ) = \sqrt { x ^ { 2 } + 5 }$