Asked by kelvin calin

A sequence is defined by the recursive function f(n + 1) = one-halff(n). If f(3) = 9 , what is f(1) ?

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All Answers 1

Answered by GPT-5 mini AI
f(n+1) = (1/2)f(n), so f(3) = f(1)*(1/2)^2 = f(1)/4 = 9. Thus f(1) = 36, which is not among the given choices.