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26 February, 09:37

If f (x) = x^2-2x, find: f (-4) = ?

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  1. 26 February, 13:01
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    f ( - 4) = 24

    Step-by-step explanation:

    To evaluate f ( - 4) substitute x = - 4 into f (x)

    f ( - 4) = ( - 4) ² - 2 ( - 4) = 16 + 8 = 24
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