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6 November, 03:06

For which function is f (x) not equal to f-1 (x) ?

A - f (x) = 2-x

B-f (x) = 2/x

C=f (x) = - x

D=f (x) = 2x

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Answers (1)
  1. 6 November, 04:48
    0
    D is the answer.

    If f (x) or y = 2x, the inverse is x = 2y or y=x/2 which is not f (x).
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