Answer:
f(g(4))= 2(-4+6)^2-3
f(g(4))= 2(2)^2-3
f(g(4))= 8-3
f(g(4))=5
g(f(4))=-(2(4)^2-3)+6
g(f(4)=-(32-3)+6
g(f(4)=-29+6
g(f(4))= -23
I'm not so sure but I tried...
3.4m questions
4.3m answers