For the Pair of Functions, Find the Indicated Sum, Difference $$f ( x ) = 5 x + 8 , g ( x ) = 7 x + 6$$

Multiple Choice

For the pair of functions, find the indicated sum, difference, product, or quotient.
- $$f ( x ) = 5 x + 8 , g ( x ) = 7 x + 6$$
Find $( f g ) ( x )$ .

A) $35 x ^ { 2 } + 62 x + 48$
B) $35 x ^ { 2 } + 48$
C) $12 x ^ { 2 } + 86 x + 14$
D) $35 x ^ { 2 } + 86 x + 48$