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31 March, 08:01

What is the inverse of f (x) = 4x-3/2

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  1. 31 March, 11:44
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    f (x) = 4x - 3/2

    To do the inverse function you just need to call f (x) y and put everything of x side in the other

    y = 4x - 3/2

    y + 3/2 = 4x

    x = (y + 3/2) / 4

    x = y/4 + 3/8

    Now just switch x and y

    y = x/4 + 3/8

    So f (x) ^-1 = x/4 + 3/8
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