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 ...

These days we use our mobile phones for everything; they have become an important part of each person’s life. Either for personal use or for working purposes, the phone has become a binder in today’s ...