Respuesta :

apologiabiology
(f of g)(x)=f(g(x))
(f of g)(-7)=f(g(-7))
find g(-7) first for easier time
g(-7)=2(-7)-6=-14-6=-20

f(g(-7))=f(-20)
f(-20)=-3(-20)-4=60-4=56

(f of g)(-7)=56

JohnLayton
In order to do this, we must first find g(-7). By plugging -7 into the equation for g, we get g(-7) = -20. Next, we must plug this value into the equation for f(-20). This then gives us a final answer of (f of g)(-7) = 56.

Hope this helps!

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