Chapter 5 - Functions

This chapter discusses functions. It contains the following sections:

section 5.1 - In this section we introduce functions, the function machine concept, functional notation and different ways to express functions. We also talk about composite functions and inverse functions.
section 5.2 - This is a reference section that shows the graphs of eight types of functions.
section 5.3 - This is a reference section that gives many details about the eleven functions that are built into the Algebra Coach and into all scientific calculators.