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21 June, 17:00

What is the inverse of the function? f (x) = 3x-1

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  1. 21 June, 17:30
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    The inverse is 1/3 (x+1)

    Step-by-step explanation:

    y = 3x-1

    Exchange x and y

    x = 3y-1

    Solve for y

    Add 1 to each side

    x+1 = 3y-1+1

    x+1 = 3y

    Divide each side by 3

    (x+1) / 3 = 3y/3

    1/3 (x+1) = y

    The inverse is 1/3 (x+1)
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