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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

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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