Question

Which formula describes the following geometric sequence? Remember that n represents the term number.

2, 6, 18, 54, ...


an = 2 · 3n - 1
an = 3 · 2n - 1
an = 2 + 3(n - 1)
an = 3 + 2(n - 1)

Answer 1

the answer to this is..

an = 2 • 3n - 1

Answer 2

The answer to your question is an=2.3n - 1