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. fis decreasing over the interval (-∞, ∞).
D. The point (0, 0) is a maximum.
E. There are two x-intercepts.