Find the General Term of the Arithmetic Sequence $3,9,15,21,27 , \ldots$

Multiple Choice

Find the general term of the arithmetic sequence.
- $3,9,15,21,27 , \ldots$

A) $a _ { n } = 6 n - 1$
B) $a _ { n } = 3 ( 6 ) ^ { n - 1 }$
C) $a _ { n } = 3 n - 6$
D) $a _ { n } = 6 n - 3$