Given the geometric sequence where a1 = −3 and the common ratio is 9, what is the domain for n?

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Given the geometric sequence where a1 = −3 and the common ratio is 9, what is the domain for n?

A) All integers
B) All integers where n ≥ −1
C) All integers where n ≥ 1
D) All integers where n ≥ 0