Which of the following are true about the graph of f(x) = −4x2? Select all that apply.
A. The domain is {x | x is a real number}.
B. The range of f is (−∞, −4].
C. f is decreasing over the interval (−∞, ∞).
D. The point (0, 0) is a maximum.
E. There are two x-intercepts.