If f(1) = 8 and f(n) = 5f * (n – 1) – 2 then find the value of f(3) .

Question

If f(1) = 8 and f(n) = 5f * (n – 1) – 2 then find the value of f(3) .

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Vivian 2 weeks 2021-09-10T10:19:13+00:00 1 Answer 0

Answers ( )

  1. Answer:

    188

    Step-by-step explanation:

    f(1) = 8

    f(n) = 5 f(n−1) − 2

    f(2) = 5 f(2−1) − 2

    f(2) = 5 f(1) − 2

    f(2) = 5 × 8 − 2

    f(2) = 38

    f(3) = 5 f(3−1) − 2

    f(3) = 5 f(2) − 2

    f(3) = 5 × 38 − 2

    f(3) = 188

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45:7+7-4:2-5:5*4+35:2 =? ( )