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15-04-2018
Mathematics
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Professor1994
Professor1994
15-04-2018
(f o g)(-7)=f(g(-7))
x=-7→g(-7)=2(-7)-6
g(-7)=-14-6
g(-7)=-20
(f o g)(-7)=f(g(-7))=f(-20)
x=-20→f(-20)=-3(-20)-4
f(-20)=60-4
f(-20)=56
Answer: (f o g)(-7)=f(g(-7))=f(-20)=56
Answer: Fourth option 56
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luisleonel78
luisleonel78
15-04-2018
the answer is 56
for this question
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