Question

What is the explicit rule for this geometric sequence?

2, 6, 18, 54, …2, 6, 18, 54, …



an=2⋅3nan=2·3n

an=3⋅2n−1an=3·2n-1

an=2⋅3n−1an=2·3n-1

an=3⋅2n

Answer 1

an=2⋅3n−1 would be the answer