Find the Function Value $g ( a - 1 )$ When $g ( x ) = 3 x - 1$

Multiple Choice

Find the function value.
-Find $g ( a - 1 )$ when $g ( x ) = 3 x - 1$

A) $3 a - 4$
B) $3 a + 1$
C) $3 a - 1$
D) $\frac { 1 } { 3 } a - 1$