32, 16, 8, 4, 2, ...

Find the common ratio of the given sequence, and write an exponential function which represents the sequence.

A. 2; f (x) = 32 (2) ^x-1

B. 1/2; f (x) = 32^x-1

C. 2; f (x) = 32 (1/2) ^x-1

D. 1/2; f (x) = 32 (1/2) ^x-1

Question

21 August, 22:46

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Answers (1)

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Lena Kerr · Answer 1

The common ratio is 1/2 and the first term is 32

f (x) = A1 * (common ratio) ^x-1

f (x) = 32 * (1/2) ^x-1

Your answer is D.

32, 16, 8, 4, 2, ...Find the common ratio of the given sequence, and write an exponential function which represents the sequence.A. 2; f (x) = 32 (2) ^x-1B. 1/2; f (x) = 32^x-1C. 2; f (x) = 32 (1/2) ^x-1D. 1/2; f (x) = 32 (1/2) ^x-1