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20 October, 12:05

If f (x) = 2 x + 5 and three-halves are inverse functions of each other and f (x) = 2x+5, what is f-1 (8) ?

A. - 1

B. 3/2

C. 41/8

D. 23

Found the answer, its B. 3/2!

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Answers (1)
  1. 20 October, 13:31
    0
    b

    Found the answer, its B. 3/2!
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