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Mathematics, 21.04.2021 16:50 lizzy2951

PLEASE HELP What are the explicit equation and domain for a geometric sequence with a first term of 2 and a second term of −8?

an = 2(−8)n − 1; all integers where n ≥ 1
an = 2(−8)n − 1; all integers where n ≥ 0
an = 2(−4)n − 1; all integers where n ≥ 0
an = 2(−4)n − 1; all integers where n ≥ 1

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