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26 July, 12:27

If f (x) = 3x, what is f-' (x) ?

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  1. 26 July, 12:50
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    f^-1 (x) = 1/3 x

    Step-by-step explanation:

    y = 3x

    To find the inverse, exchange x and y

    x = 3y

    Solve for y by dividing by 3 on each side

    x/3 = 3y/3

    1/3x = y

    The inverse is 1/3x
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