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29 April, 13:08

Let f (x) = -3x-7 Abe g (x) = 4x-5 find (f•g) (-3)

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  1. 29 April, 13:32
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    272

    Step-by-step explanation:

    note that (f • g) (x) = f (x) * g (x) = (3x - 7) (4x - 5)

    To evaluate substitute x = 3 into (3x - 7) (4x - 5)

    (f • g) ( - 3) = ( - 9 - 7) ( - 12 - 5) = - 16 * - 17 = 172
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