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25 August, 11:51

For the function f (X) = x^2 - 12, find (f o f - ^1) (4)

A. 6

B. 10

C. 4

D. 0

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Answers (1)
  1. 25 August, 11:56
    0
    Easy

    we know that a function composed of it's inverse leaves x

    basically

    (f o f⁻¹) (x) = x

    so

    (f o f⁻¹) (4) = 4

    answer is C
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