payshencec21
payshencec21 payshencec21
  • 24-01-2019
  • Mathematics
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PLEASE ONLY ANSWER IF YOU KNOW FOR SURE!!! 25 PTS PLEASE HELP. ONLY POSITIVE ANSWERS PLEASE

PLEASE ONLY ANSWER IF YOU KNOW FOR SURE 25 PTS PLEASE HELP ONLY POSITIVE ANSWERS PLEASE class=

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backseatdog
backseatdog backseatdog
  • 24-01-2019

Answer:

B) 74

Step-by-step explanation:

f(x) = 3x + 5

g(x) = -4x + 7

(fog)x = 3(-4x+7) + 5

 = -12x + 21 + 5

= -12x + 26

(fog)(-4) = -12(-4) + 26 = 48 + 26 = 74

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