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4 July, 15:48

What is the inverse of f (x) = √3x+4 - 1? (The - 1 is separate and not part of the square root) √3x+4

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  1. 4 July, 18:42
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    y = (x^2 - 2x-3) / 3

    Step-by-step explanation:

    f (x) = √3x+4 - 1

    x=√3y+4 - 1

    (x+1) ^2 = (√3y+4) ^2

    3y+4=x^2 + 2x+1

    3y=x^2 + 2x-3

    y = (x^2 + 2x-3) / 3
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