Mathematics, 04.12.2020 22:50 A2002A

-4, 8, – 16, 32, ... represents a geometric sequence.
Which equation below is an explicit formula that represents the sequence? Pick one
1) f(n) = -4(2)-1
2) f(n) = -4(-2)n-1
3) f(n) = 2(-4)n-1
4) f(n) = –2(-4)n-1

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-4, 8, – 16, 32, ... represents a geometric sequence.
Which equation below is an explicit for...