Evaluate the Function $g ( a - 1 )$ When $g ( x ) = 5 x + 2$

Multiple Choice

Evaluate the function.
-Find $g ( a - 1 )$ when $g ( x ) = 5 x + 2$

A) $5 a + 1$
B) $\frac { 1 } { 5 } a + 2$
C) $5 a - 3$
D) $5 a + 2$