Question

Given an = -4 + (n - 1)7. what is arithmetic sequence

Answer 1

Explanation:

The given an = -4 + (n - 1)7 is already an arithmetic sequence with first term -4 and common difference 7. A more proper form would be an = -4 + 7(n - 1).

The first five terms of this sequence are {-4, 3, 10, 17, 24}