Find the Domain of the Composite Function F∘g $$f ( x ) = 4 x + 40 , \quad g ( x ) = x + 7$$

Multiple Choice

Find the domain of the composite function f∘g.
- $$f ( x ) = 4 x + 40 , \quad g ( x ) = x + 7$$

A) $( - \infty , \infty )$
B) $( - \infty , - 17 )$ or $( - 17 , \infty )$
C) $( - \infty , 17 )$ or $( 17 , \infty )$
D) $( - \infty , - 10 )$ or $( - 10 , - 7 ) ( - 7 , \infty )$