Respuesta :
evaluate g(-4) and plug that in for x in f(x)
g(-4)=-2(-4)-5
g(-4)=8-5
g(-4)=3
f(g(-4))=f(3)=3(3^2)=3(9)=27
f(g(-4))=27
g(-4)=-2(-4)-5
g(-4)=8-5
g(-4)=3
f(g(-4))=f(3)=3(3^2)=3(9)=27
f(g(-4))=27