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10 August, 15:04

If f (x) = 4x - 3, what is f (x) ^-1?

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  1. 10 August, 15:13
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    f (x) = 4x - 3

    .

    The problem asks you to find f (-1).

    .

    All that this is telling you to do is to evaluate f (x) when x equals - 1. So, just go to the

    given f (x) and substitute - 1 for every x.

    .

    Starting with:

    .

    f (x) = 4x - 3
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