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14 June, 17:11

Let f (x) = 4x+7 and g (x) = 3x-5. find (fog) (-4)

A. - 9

B. - 61

C. - 32

D. - 17

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Answers (1)
  1. 14 June, 18:14
    0
    B

    Step-by-step explanation:

    To evaluate (f ○ g) ( - 4), first evaluate g ( - 4) then substitute this value into f (x)

    g ( - 4) = 3 ( - 4) - 5 = - 12 - 5 = - 17, then

    f ( - 17) = 4 ( - 17) + 7 = - 68 + 7 = - 61 → B
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