Domain of f of g.
Determine domain of g.
x + 4 ≥ 0
x ≥ -4
Now determine domain of f of g, by first figuring out f of g:
[tex]\frac{x+4}{(x+4)-1}=\frac{x+4}{x+3}[/tex]
So x ≠ 3
So our domain is
[-4, -3) ∪ (-3, ∞)
The answer is D.
