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15 January, 08:22

Verify if f (x) = 1/2x-2 (and g (x)) = 2x + 4 are inverses.

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  1. 15 January, 08:32
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    To find an inverse you switch x and y for a function and solve for y. I will do fx.

    X=1/2f (x) '-2

    X+2=1/2f (x) '

    2x+4=f (x) '

    I used ' to represent inverse and since f (x) ' = g (x) it is verified
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