Consider the function f(x)=x^2-5. If g(x)=f(x-7), what can be said of g(x)? Choose all that apply:
-The graph of g(x) is shifted seven units to the left of f(x).
-The graph of g(x) is shifted seven units to the right of f(x).
-The graph of g(x) is shifted seven units above f(x).
-The graph of g(x) is shifted seven units below f(x).
-The vertex of g(x) is (7,20).
-The axis of symmetry of g(x) is x=7.