What are the explicit equation and domain for a geometric sequence with a first term of 5 and a second term of - 10?

an = 5 (-2) n - 1; all integers where n ≥ 1

an = 5 (-2) n - 1; all integers where n ≥ 0

an = 5 (-15) n - 1; all integers where n ≥ 1

an = 5 (-15) n - 1; all integers where n ≥ 0

Question

Charlee Pratt

8 January, 12:01

+2

Answers (1)

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Fernanda Church · Answer 1

I think that the answer would be A.

What are the explicit equation and domain for a geometric sequence with a first term of 5 and a second term of - 10?an = 5 (-2) n - 1; all integers where n ≥ 1an = 5 (-2) n - 1; all integers where n ≥ 0an = 5 (-15) n - 1; all integers where n ≥ 1an = 5 (-15) n - 1; all integers where n ≥ 0