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2 November, 19:20

Select the correct answer.

What is the inverse of function f?

f (x) = 3-x/7

A. f-1 (x) = 7+x/3

B. f-1 (x) = 3-7x

C. f-1 (x) = 7x+3

D. f-1 (x) = 3 - x/7

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Answers (1)
  1. 2 November, 19:35
    0
    Answer:b

    x=3-y/7

    Multiple 7

    7x=3-y

    Subtract 3

    7x-3=-y

    Times both sides by negative 1

    -7x+3
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