If f(x) = x^2, which of the following describes the graph of f(x) - 5?
A.) The graph of f(x) - 5 is a vertical shift of f(x) = x^2 five units up.
B.) The graph of f(x) - 5 is a horizontal shift of f(x) = x^2 five units to the left.
C.) The graph of f(x) - 5 is a vertical shift of f(x) = x^2 five units down.
D.) The graph of f(x) - 5 is a horizontal shift of f(x) = x^2 five units to the right.
A.) The graph of f(x) - 5 is a vertical shift of f(x) = x^2 five units up.
B.) The graph of f(x) - 5 is a horizontal shift of f(x) = x^2 five units to the left.
C.) The graph of f(x) - 5 is a vertical shift of f(x) = x^2 five units down.
D.) The graph of f(x) - 5 is a horizontal shift of f(x) = x^2 five units to the right.