Quadratic functions play an important role in many everyday situations. Some examples include the athletic dynamics of how to throw a football at a target and the apex of a satellite dish designed for optimal communication.

The Warm Up of Lesson 2.1 reviewed concepts from Math 10C that you will need to use confidently as you progress to quadratic functions. From this point on, it is assumed that you are able to discuss domain and range, as well as \(x\)- and \(y\)-intercepts of functions, whether linear, quadratic, or other types.