Respuesta :

f(x)=-3x-7 and g(x)=x²

(g o f)(-3)= g(f(-3))

f(-3)=-3(-3)-7
f(-3)=9-7

f(-3)=2

So g(f(-3))= g(2)

g(2)= (2)²=4

So (g o f)(-3)=4


Hope this helps!
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