Question

Which function describes the arithmetic sequence shown? 1, 7, 13, 19, 25, 31, ...

Answer 1

Answer:

a(n) = a(1) + 6(n -1)

Step-by-step explanation:

The common difference here is 6.  1 + 6 = 7; 13 + 6 = 19; and so on.

Thus, the function in question is a(n) = a(1) + 6(n -1).