Answer:
-5
Step-by-step explanation:
We are asked to find f(g(0)).
Start with the inside which is g(0).
g(0)=0^2+4
g(0)=0+4
g(0)=4
So now we have f(g(0))=f(4).
f(4)=-4-1
f(4)=-5
Since f(g(0))=f(4), then f(g(0))=-5.