Suppose that g(x) = f(x) + 2. Which statement best compares the graph of g(x) with the graph of f(x)?
A. The graph of g(x) is shifted 2 units up.
B. The graph of g(x) is shifted 2 units to the right.
C. The graph of g(x) is vertically stretched by a factor of 2.
D. The graph of g(x) is shifted 2 units down