1. Section 11-4 Logarithmic Functions

2. Vocabulary Logarithm – y is called this in the function Logarithmic Function – The inverse of the exponential function. Common Logarithm – logarithms that use ten as the base Characteristic – the exponent of 10 that is used to write the number in scientific notation Mantissa –the common logarithm of a number between 1 and 10

3. Logarithmic Function

4. Each logarithmic equation corresponds to an exponential equation

5. Write the logarithm in exponential form

7. Write each equation in logarithmic form

8. Write the equation in logarithmic form

12. Write the equation in exponential form

15. Evaluate

16. Evaluate the expression

21. Properties of Logarithms

22. Solve