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3 December, 23:32

Given f (x) = 3x3 + 8x2 - 10x - 12, find f (3). A) f (3) = 84 B) f (3) = 96 C) f (3) = 111 D) f (3) = 123

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  1. 4 December, 02:30
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    C) f (3) = 111

    Step-by-step explanation:

    f (x) = 3x^3 + 8x^2 - 10x - 12

    Let x=3

    f (3) = 3 (3) ^3 + 8 (3) ^2 - 10 (3) - 12

    =3*27+8 (9) - 30-12

    =81+72-30-12

    =111
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