Given the arithmetic sequence an=-1+7 (n-1), what is the domain for n?

n E R

Step-by-step explanation:

Since 7n-8 is a linear equation with no restrictions, n's domain is real numbers.

Step-by-step explanation:

with 1st term = - 1. and common difference is 7

in this series we can say that 1st term is - 1, 2nd term is 6, 3rd term is 13, and so on

therefore in a series we cannot define a 0th term, so here n will be greater than or equal to 1.