For the Pair of Functions, Find the Indicated Sum, Difference $$f ( x ) = 9 x - 5 , g ( x ) = 5 x - 7$$

Multiple Choice

For the pair of functions, find the indicated sum, difference, product, or quotient.
- $$f ( x ) = 9 x - 5 , g ( x ) = 5 x - 7$$
Find $( f - g ) ( x )$ .

A) $4 x + 2$
B) $- 4 x - 2$
C) $4 x - 12$
D) $14 x - 12$