Question

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

3, 5, 7, 9, ...
an = 2 ∙ 3n - 1
an = 3 ∙ 2n - 1
an = 2 + 3(n - 1)
an = 3 + 2(n - 1)

Answer 1

its c. an=2+3(n-1)
hope this helps