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25 June, 08:59

Función inversa f (x) = 7/x - 9

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Answers (2)
  1. 25 June, 09:07
    0
    F-1 (x) = 7 / (x+9)

    Step-by-step explanation:

    Change F (x) to y so y=7/x - 9

    Swap variables x=7/y - 9

    Solve x+9=7/y

    7 / (x+9) = y

    Then change y to F inverse

    F-1 (x) = 7 / (x+9)

    Thats ur inverse!
  2. 25 June, 09:24
    0
    (x+9) / 7

    Step-by-step explanation:

    Let f (x) = y;

    y = 7/x - 9

    y + 9 = 7x

    x = (y + 9) / 7

    Substitute x for y and X = f^{-1} (x)

    f^{-1} (x) = (x+9) / 7 this is the inverse of f (x)
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