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19 May, 12:25

What is f (-5) if f (x) = l2x-1l + 10

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  1. 19 May, 15:53
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    f (x) = l2x-1l + 10

    x = - 5

    f (-5) = l2*-5 - 1l + 10

    = l-10 - 1l + 10 = l-11l + 10 = 11 + 10 = 21

    = 21
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