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17 May, 09:51

Which function below is the inverse of f (x) = x^2-36

X^2/36

+ - 6 square root of x

1/x^2-36

+ - square root of x+36

+4
Answers (1)
  1. 17 May, 13:28
    0
    + - square root of x+36

    Step-by-step explanation:

    f (x) = x^2 - 36

    y = x^2 - 36

    Exchange x and y

    x = y^2 - 36

    Solve for y

    Add 36 to each side

    x+36 = y^2 - 36+36

    x+36 = y^2

    Take the square root of each side

    ±sqrt (x+36) = y

    ±sqrt (x+36) = f^-1 (x)
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