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13 May, 06:29

Given f (x) = the quantity of 2x minus 2 divided by 4, solve for f-1 (3).

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  1. 13 May, 06:53
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    Given: f (x) = (2x-2) / 4

    find f^-1 (3) ?

    we need to find the inverse of f (x), so

    x = (2y-2) / 4

    2y-2=4x

    y-1=2x

    y=2x+1

    so, then f^-1 (x) = 2x+1

    f^-1 (3) = 2 (3) + 1

    =6+1

    =7

    so, the answer is 7
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