Question

The first five terms of a sequence are shown below.

4, 7, 10, 13, 16

If the nth term of this sequence is represented by f(n), which of the following functions best represents this sequence?

f(n) = 3n - 1; n ≥ 1

f(n) = 3n + 1; n ≥ 1

f(n) = 4n - 1; n ≥ 1

f(n) = 4n + 1; n ≥ 1