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16 August, 15:30

What is the domain of the function

f (x) = 2x + 1 when the range is

{-2, 4, 7}?

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Answers (1)
  1. 16 August, 17:44
    0
    the domain of the function are {-3/2, 3/2, 3}

    Step-by-step explanation:

    f (x) = 2x+1

    range=-2, 4, 7

    f (x) = -2

    or, 2x+1=-2

    or, x=-3/2

    f (x) = 4

    2x+1=4

    or, x=3/2

    f (x) = 7

    2x+1=7

    or, x=3
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