Find the Domain of the Composite Function F G $$f ( x ) = x + 3 , g ( x ) = \frac { 3 } { x + 6 }$$

Multiple Choice

Find the domain of the composite function f g. Write the domain in interval notation.
- $$f ( x ) = x + 3 , g ( x ) = \frac { 3 } { x + 6 }$$

A) $( - \infty , - 6 ) \cup ( - 6 , - 3 ) \cup ( - 3 , \infty )$
B) $( - \infty , - 9 ) \cup ( - 9 , \infty )$
C) $( - \infty , \infty )$
D) $( - \infty , - 6 ) \cup ( - 6 , \infty )$