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21 September, 21:40

Given f (x) = 2x-2/4 solve for f^-1 (3)

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  1. 21 September, 22:10
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    F (x) = y = (2x-2) / 4

    f^-1 (x) = x = (2y-2) / 4

    4x=2y-2

    4x+2=2y

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

    f^-1 (3) = 2 (3) + 1

    =6+1

    =7
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