Here's the new description with all links and additional text removed: Learn all about graphing trigonometric functions. In ...

Here's the modified description with all links and related text removed: Learn how to graph piecewise functions. A piecewise ...

A function is a rule that is applied to one set of values to give another set of values. A function can be illustrated on a graph – points are plotted as coordinates and joined by either a straight ...

In the applet below is intended to help you understand the connection between the graph of a function and the function itself. Recall that a function can be thought of as a machine which takes an ...