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16 August, 05:57

What is the inverse of the function g (x) = / dfrac{-x-2}{x+4}g (x) = x+4 -x-2 g, left parenthesis, x, right parenthesis, equals, start fraction, minus, x, minus, 2, divided by, x, plus, 4, end fraction?

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  1. 16 August, 06:07
    0
    Hello:

    y = (-x-2) / (x+4)

    clculate : x

    y (x+4) = - x - 2

    yx + x = - 2 - 4y

    x (y+1) = - 2 - 4y

    x = ( - 2 - 4y) / (y+1)

    so : g-1 (x) = (-2-4x) / (x+1)
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