Sally graphs the geometric sequence an = 2(3)n - 1 on a coordinate plane where she plots an on the y-axis and n on the x-axis. This graph is the same as the graph of which type of function?

Question

A) cubic
B) linear <my answer
C) quadratic
D) exponential

Answer 1

as written, it is linear.

But it is an odd way to write it. If you meant

2•3ⁿ-1 it is exponential