Question

Given the arithmetic sequence an = 4 + 8(n − 1), what is the domain for n?

All integers
All integers where n ≥ 1
All integers where n ≥ 0
All integers where n > 1

Answer 1

n≥1

Explanation:

just took test

Answer 2

n represents which term
so we can have the 1st, 2nd, 3rd, etc, to the nth term
so n has to be all integers starting with 1 and up
so that would be the option: "All integers where n≥1"

answer is 2nd option