This website provides information about what exponential functions are. It contains exponential function equations as well as graphs of exponential functions. It also explains compound interest.

This website gives information about logarithmic and exponential functions. It contains sample problems as well as other visual aids.

This website explains how to solve linear, quadratic, exponential, logarithmic, and trigonometric equations. It also explains how to solve equations containing radicals, absolute value, and fractions. This website contains sample problems along with detailed solutions for each type of equation.

This is a Missouri Western State University website that explains how to find the domain and asymptotes of rational functions. It contains sample problems with step-by-step solutions.

This website explains how to graph rational functions. It also contains sample problems with answers.

This is a Lamar University website that gives information about dividing and graphing polynomial functions. It also explains how to find roots and zeros of polynomial functions.

This website contains applets that contain interactive graphs of polynomial functions to the zero degree up to the fifth degree.

This is an Oregon State University website about exponential functions. It explains what an exponential function is, some rules of exponential functions, and sample graphs of exponential functions. It also explains the difference between exponential growth and decay.

This is a West Texas A&M University website about logarithmic functions. It contains step-by-step help about solving and graphing logarithmic equations as well as sample problems.

This website explains how to simplify rational expressions. It tells how to cancel factors in multiplication and division expressions.