Find the domain of f g(x)

- Find the domain of f(x)
- Find the domain of f(x)=6x/x+3
- Find the domain of f(x)=x^2+4
- Find the domain of f(x)=x-3/7x
- Find the domain of f(x)/g(x) if
- Find the domain of f(x)=7x/x-3
- Find the domain of f(x)=x+4/x^2-9
- Find the domain of f(x)=10- square root 3-x
- Find the domain of f(x)=-5x+4
- Find the domain of f(x)=5x^2+2x-1
- Find the domain of f(x)=3(x-4)
- Find the domain of f(x)=x^2+2
- Find the domain of f(x)=5-2x^2
- Find the domain of f(x)=1/x
- Find the domain of f(x)=ln(lnx)