Perform the Requested Operation on the Given Function $$f ( x ) = 2 x - 8 , g ( x ) = 6 x - 5$$

Multiple Choice

Perform the requested operation on the given function.
- $$f ( x ) = 2 x - 8 , g ( x ) = 6 x - 5$$
Find $( g - f ) ( x )$ .

A) $x - 13$
B) $- 4 x - 13$
C) $x + 3$
D) $- 4 x - 3$