Respuesta :

(g o f)(-7)=g(f(-7))

x=-7→f(-7)=(-7)^2+6
f(-7)=49+6
f(-7)=55

g(f(-7)=g(55)
x=55→g(55)=(55+8)/55
g(55)=63/55

Answer: (g o f)(-7)=g(f(-7))=g(55)=63/55

Answer: Third option 63/55

(g o f)(-7)=g(f(-7))

x=-7→f(-7)=(-7)^2+6
f(-7)=49+6
f(-7)=55

g(f(-7)=g(55)
x=55→g(55)=(55+8)/55
g(55)=63/55

Answer: (g o f)(-7)=g(f(-7))=g(55)=63/55

Answer: Third option 63/55