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20 April, 10:24

Let f (x) = 4x and g (x) = 3x-5. Find (g*f) (-4)

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  1. 20 April, 10:50
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    Answer: 272

    Step-by-step explanation:

    f (x) = 4x g (x) = 3x - 5

    (g * f) (x) = (4x) (3x - 5)

    = 12x² - 20x

    (g * f) (-4) = 12 (-4) ² - 20 (-4)

    = 12 (16) + 80

    = 192 + 80

    = 272
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