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5 November, 05:55

What is the equation of the inverse of g (x) = 2/5x - 1

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  1. 5 November, 07:15
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    to find the inverse interchange x and y and then solve for y

    y = 2/5 x-1

    x = 2/5 y-1

    add 1 to each side

    x+1 = 2/5 y

    multiply by 5/2

    5/2 (x+1) = y

    this is the inverse

    g^-1 (x) = 5/2 (x+1)
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