1. Logarithmic Functions
Chapter 10, Sections 2 and 3

2. What are logarithmic functions?

3. Properties of Logarithmic Functions
Continuous
One-to-one function
The domain is positive
The range is all real numbers
The y-axis is an asymptote
The y-intercept is (0,1)

4. Examples Writing in exp form Writing in log form
Evaluating log expressions

5. Solving log equations/inequalities
Before trying to solve equations with logs, first convert to exponential form. Then, proceed to solve.
Watch out for ( )!!

6. Properties of Logs Product property: Quotient property:
Power property:

7. Examples Expanding expressions Condensing expressions
Solving equations

8. Exit slip – How are logs and exponentials related?
Homework–
Page 52 in workbook, 1-36 even
Page 53 in workbook, 9-29 odd
Exit slip – How are logs and exponentials related?