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7 February, 06:40

3) f (a) = a3 + 3a² + 2a + 8 at a=-3

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  1. 7 February, 08:17
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    Step-by-step explanation:

    To evaluate f (a) when a = - 3 substitute a = - 3 into f (a)

    f ( - 3) = ( - 3) ³ + 3 ( - 3) ² + 2 ( - 3) + 8 = - 27 + 27 - 6 + 8 = 2
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