Which statement correctly describes the relationship between the graph of f(x)=2x and the graph of g(x)=f(x)-4?
A. The graph of g(x) is the graph of f(x) translated 4 units left.
B. The graph of g(x) is the graph of f(x) translated 4 units right.
C. The graph of g(x) is the graph of f(x) translated 4 units down.
D. The graph of g(x) is the graph of f(x) transplanted 4 units up.