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1 July, 09:15

F (x) = 4x + 7, g (x) = 3x2

Find (fg) (x).

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  1. 1 July, 09:23
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    F (x) = 4x + 7

    g (x) = 3x²

    (f · g) (x) = 3x² (4x + 7)

    (f · g) (x) = 3x² (4x) + 3x² (7)

    (f · g) (x) = 12x³ + 21x²
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