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

Multiple Choice

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

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