Which recursive formula can be used to generate the sequence shown, where f (1) = 9.6 and n > 1? 9.6, - 4.8, 2.4, - 1.2, 0.6, ... f (n + 1) = - 0.5f (n) f (n + 1) = 0.5f (n) f (n + 1) = f (0.5n) f (n + 1) = f (-0.5n)

Question

Mathematics

Carlie Gay

31 March, 14:14

Which recursive formula can be used to generate the sequence shown, where f (1) = 9.6 and n > 1? 9.6, - 4.8, 2.4, - 1.2, 0.6, ... f (n + 1) = - 0.5f (n) f (n + 1) = 0.5f (n) f (n + 1) = f (0.5n) f (n + 1) = f (-0.5n)

+1

Answers (1)

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Preston Hayes · Answer 1

Hmm

f (n+1) is the term after f (n)

alrighty, so each term seems to be multiplied by - 1/2 or - 0.5 to get to the next term

so

f (n+1) = - 0.5f (n)

answer is first option