Respuesta :

kittenpaci1414

Answer:

56

Step-by-step explanation:

(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

hope this helps