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25 September, 17:21

Function A f (x) = - 2x + 10

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  1. 25 September, 17:46
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    Watch carefully:

    A 'zero' of the function is a value of 'x' that makes the function zero.

    2x - 10 = 0

    Add 10 to each side:

    2x = 10

    Divide each side by 2:

    x = 5

    f (5) = 0
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