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8 February, 12:11

If f (x) = 1/9 x-2 what is f-1 (x)

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Answers (2)
  1. 8 February, 12:21
    0
    It would be 0.8, ongoing.
  2. 8 February, 12:22
    0
    f^-1 (x) = 9 (x+2)

    Step-by-step explanation:

    y = 1/9 x - 2

    We want to find the inverse

    Exchange x and y and then solve for y

    Exchange x and y

    x = 1/9 y - 2

    Now solve for y

    Add 2 to each side

    x+2 = 1/9y-2+2

    x+2 = 1/9y

    Multiply each side by 9

    9 * (x+2) = 1/9y*9

    9 (x+2) = y

    This is the inverse

    f^-1 (x) = 9 (x+2)
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