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If f (x) = 5x + 4, which of the following is the inverse of f (x)

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  1. 3 July, 16:59
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    f^-1 (x) = 1/5x-4/5

    Step-by-step explanation:

    y=5x+4

    x=5y+4

    5y=x-4

    y=1/5x-4/5
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