Find the Domain of the Composite Function F $f ^ { \circ } g$

Multiple Choice

Find the domain of the composite function f $f ^ { \circ } g$
- $$f ( x ) = \frac { 6 } { x + 1 } ; \quad g ( x ) = x + 2$$

A) $\{ x \mid x \neq - 3 \}$
B) $\{ x \mid x$ is any real number $\}$
C) $\{ x \mid x \neq - 1 \}$
D) $\{ x \mid x \neq - 1 , x \neq - 2 \}$