Find the Domain of the Composite Function F G $$f ( x ) = 8 x + 56 , g ( x ) = x + 6$$

Multiple Choice

Find the domain of the composite function f g. Write the domain in interval notation.
- $$f ( x ) = 8 x + 56 , g ( x ) = x + 6$$

A) $( - \infty , \infty )$
B) $( - \infty , - 7 ) \cup ( - 7 , - 6 ) ( - 6 , \infty )$
C) $( - \infty , - 13 ) \cup ( - 13 , \infty )$
D) $( - \infty , 13 ) \cup ( 13 , \infty )$