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23 March, 14:09

Find the inverse of the function.

f (x) = 7x + 2

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  1. 23 March, 17:32
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    F (x) = 7 x + 2

    y = 7 x + 2

    - 7 x = - y + 2 / * (-1)

    7 x = y - 2 / : 7

    x = y/7 - 2/7 = (y - 2) / 7

    The inverse of the function is:

    f^ (-1) (x) = (x - 2) / 7
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