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27 March, 07:34

Use f (x) = 1/2x and f - 1 (x) = 2x to solve the problems. f-1 (f (x)) = f (f-1 (x))

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  1. 27 March, 11:32
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    Hello,

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

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