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17 June, 06:51

Given the function f (x) = 0.5 (3) x, what is the value of f-1 (7) ? 1) 0.565 2) 1.140 3) 1.771 4) 2.402

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  1. 17 June, 07:06
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    Y =.5 (3) x = 1.5x

    The inverse is x = 1.5 y which is f^-1 (x)

    Then y = x/1.5

    f^-1 (7) = 7/1.5 = 14/3 which is not an answer.

    Is the problem written correctly.
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