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28 October, 17:58

What is the inverse of f (x) = 5x-4

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  1. 28 October, 18:23
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    It'll be 4/5 + x/5.

    Switch the x to a y so:

    x=5y-4

    Add 4 to both sides

    x+4=5y

    Divide by 5 to get y by itself

    (x+4) / 5=y
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