If f(x) = [tex] x^{2} [/tex], 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) = [tex] x^{2} [/tex] five units up.
B. The graph of f(x) - 5 is a vertical shift of f(x) = [tex] x^{2} [/tex] five units down.
C. The graph of f(x) - 5 is a horizontal shift of f(x) = [tex] x^{2} [/tex] five units to the right.
D. The graph of f(x) - 5 is a horizontal shift of f(x) = [tex] x^{2} [/tex] five units to the left.
