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25 May, 07:47

What is the inverse of the function f (x) = 2x + 1?

A. h (x) = 1/2x - 1/2

B. h (x) = 1/2x + 1/2

C. h (x) = 1/2x - 2

D. h (x) = 1/2x + 2

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Answers (1)
  1. 25 May, 11:21
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    f (x) = 2x + 1

    y = 2x + 1

    x = 2y + 1

    x - 1 = 2y

    2 2

    ¹/₂x - ¹/₂ = y

    The answer is A.
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