Use the Formula for the General Term of a Geometric $$\mathbf { a } _ { 1 }$$

Multiple Choice

Use the Formula for the General Term of a Geometric SequenceUse the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the
sequence with the given first term, $$\mathbf { a } _ { 1 }$$ , and common ratio, r.
- $$a _ { n } = 3 ^ { n }$$

A) geometric, $r = 3$
B) arithmetic, $\mathrm { d } = 3$
C) geometric, $r = 4$
D) neither