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16 August, 18:21

If c (x) = 4x - 2 and d (x) = x^2 + 5x, what is (c circle d) (x) ?

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  1. 16 August, 19:23
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    4x² + 20x - 2

    Step-by-step explanation:

    To evaluate (c ○ d) (x), substitute x = d (x) into c (x)

    c (x² + 5x)

    = 4 (x² + 5x) - 2

    = 4x² + 20x - 2
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