Evaluate as Indicated $f ( x ) = 7 x - 2$

Multiple Choice

Evaluate as indicated.
-Let $f ( x ) = 7 x - 2$ . Find $f ( m - 6 )$ and simplify.

A) $7 x - 8$
B) $7 x m - 42 x - 2 m + 12$
C) $7 m - 8$
D) $7 m - 44$