This web site provided by S.O.S Math explains how to solve Exponential Equations. It provides examples and step-by-step instructions on how to solve the examples.
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 site deeply explain how to use the short cut of synthetic division. There are many examples that show step by step how to do the division. It also explains the remainder theorem.
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.