Can someone help me figure out either 9 or 10 My instructor

Can someone help me figure out either 9 or 10. My instructor is avoiding helping us.

9.a (fog)(1)= f(g(1))

And from table g(1)=0

substituting g(1)=0 in f(g(1))=f(0)

And from table f(0)=-1

b. (fog)(-1)= f(g(-1))

And from table g(-1)=0

Therefore f(g(-1))=f(0)

And f(0)=-1

(fog)(-1)=-1

c. (gof)(-1)=g(f(-1))

And f(-1)=-3

Therefore g(f(-1))=g(-3)

And from table g(-3)=8

Therefore (gof)(-1)= 8

d. (gof)(0)= g(f(0))

And from table f(0)=-1

Therefore g(f(0))= g(-1)

And from table g(-1)= 0

THerefore (gof)(0)=-1

e. (gog)(-2)= g(g(-2))

And from table g(-2)=3

therefore g(g(-2))=g(3)

And from table g(3)=8

Therefore (gog)(-2)=8

f.(fof)(-1)=f(f(-1))

And from table f(-1)=-3

Therefore f(f(-1))=f(-3)

And from table f(-3)=-7

Therefore (fof)(-1)=-7

Therefore (fog)(1)=0