Answer:
[tex](x+4)^2-1[/tex]
Step-by-step explanation:
We need to evaluate gOf. This basically means that we substitute the value of f(x) (i.e.; x+4) into g(x) in place of x.
[tex]g(x)=x^2-1\\f(x)=x+4\\\therefore gof(x) = g(f(x))=g(x+4)=(x+4)^2-1[/tex]