Valid HTML 4.01 Transitional
Monitor Projector

DrDelMath

College Algebra by Stewart/Redlin/Watson
SUMMARY

Chapter 3:  Functions

Section 3.1: Definition of Function (page 213)

Function: Definition and Notation

                                Picture of a Function

 

 

Function Notation

 


                              Picture of Function Notation

 

You should study the examples in the following Power Point presentation before proceeding
Introduction to Functions

Section 3.2: Graphs of Functions

Function: Graph

You should study the examples of several different types of functions as presented in the following Special Topic article.
Functions - Introductory Examples

 

Section 3.2a:  A Basic Library of Functions and their Graphs

Function: Basic Library

 
 
Graphs of Linear Functions
 
Graph of Squaring Function
Graph of Cubing Function
Graph of Quadratic Function   Graph of Quadratic Function


Graph of Quadratic Function     Graph of Quadratic Function


Graph of Quadratic Function     Graph of Quadratic Function
Graph of Square Root Function
 
 
Graph of Reciprocal Function
 
 
Graph of Exponential Function
Graph of Logarithmic Function
 
Graph of Greatest Integer Function

 

Section 3.3: Increasing and Decreasing Functions

Function: Increasing, Decreasing, Even, and Odd

 

Section 3.4: Transformation of Functions

Function: Transformations

 

 

Section 3.5: Quadratic Functions

Function: Quadratic

 

 

Section 3.6: Combining Functions

Function: Combining

The following picture is essential to understanding composition of functions.

                               Picture of Composition of Functions

 

 

Section 3.7: Inverses of Functions

Function: Inverses

The following diagram illustrates the relationship between a function and it inverse.
Think of the red arrows as the rule for a function f and the blue arrows as the rule for its inverse f-1

 Picture of Inverse Functions