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23 June, 18:47

Evaluate. - 3x^3 - 4x for x - 1. a. 1 b. 7 c.-1

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  1. 23 June, 19:06
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    Hello,

    f (x) = - 3x^3-4x

    f (-1) = - 3 * (-1) ^3-4 * (-1) = - 3 * (-1) + 4=3+4=7

    Answer B
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