1. MAC 1105 Section 4.3 Logarithmic Functions

2. The Inverse of a Exponential Function 

3. Logarithmic Functions 

4. Example 1: Write each exponential equation in logarithmic form.   Example 2: Write each logarithmic equation in exponential form.

5. Evaluating Logarithms 

6. 

7. Basic Properties of Logarithms 

8. Graphs of Logarithmic Functions 

9. Example 6: Graph the following graphs.  

10. Special Logs  Common Log  This a logarithm with base 10.  If no base is indicated, we assume base 10.  We can find the common log of any positive number on the calculator.  Natural Log  This a logarithm with base e.  This is denoted as ln  We can find the natural log of any positive number on the calculator as well.