Discover a world of knowledge at Westonci.ca, where experts and enthusiasts come together to answer your questions. Join our platform to connect with experts ready to provide detailed answers to your questions in various areas. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.

Which of the following key characteristics is NOT true of a quadratic function?
A: Range is all real numbers.
B: Shape is a parabola.
C: Rate of Change is not constant.
D: It has only one vertex.