Respuesta :

(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
luisleonel78
the answer is 56 
for this question

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