The domain of f(x) is the set of all real values except 7, and the domain of g(x) is the set of all real values except -3. which of
the following describes the domain of (gºf)(x)?
1)) all real values except x-3 and the x for which f(x)7
2)) all real values except x-3 and the x for which f(x)=-3
3)) all real values except x 7 and the x for which f(x) 7
4)) all real values except x 7 and the x for which f(x) -3