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2 December, 13:54

Let f (x) = - 3x + 2 and g (x) - 4x + 6. Find (f•g) (-5).

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  1. 2 December, 17:10
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    (f•g) (-5) = - 238

    Step-by-step explanation:

    We have that:

    f (x) = - 3x + 2

    g (x) = 4x + 6

    Find (f•g) (-5).

    First we find (f. g) (x)

    So

    f (x) * g (x) = (-3x + 2) * (4x + 6) = - 12x² - 10x + 12

    When x = - 5

    -12 (-5) ² - 10 (-5) + 12 = - 238

    (f•g) (-5) = - 238
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