The function f(x) = –4x2 represents the path of a whale as it surfaces for air and dives again. Select all the observations that are true about the whale’s path. A. The domain is all real numbers x until the ocean hits the shore. B. The range is (−∞,−4). C. f is decreasing for the whale's entire path. D. The point where the whale touches the surface is a maximum. E. There are two points where the whale touches the surface.