5.3 Logarithmic Functions

Comic of the Day

Practice: What function could describe the graph above?

Warm Up
Try simplifying the following expressions to see if they would be helpful steps to solve the exponential equation   

a) 

b)     

c) 


Announcements

• Next quiz tentatively scheduled for Mon, Feb 4 (4.5 Rational Functions, 5.1-5.3 Exponential and Logarithmic Functions)
• Next unit exam Wed, Feb 13 (55 minutes, in class)

Today - 5.3 Logarithmic Functions
My x is trapped in a castle! How will I get her down? I need a hero!
http://youtu.be/puTtnqoqHLQ

Notes
Graph of 

Homework
5.3 #9-67

Tomorrow - 5.3 Logarithmic Functions continued
Pre-read 5.3
Add 5.3 #69-101 odd to homework

For more information
https://www.khanacademy.org/math/algebra/logarithms-tutorial/logarithm_basics/v/logarithms
https://www.khanacademy.org/math/algebra/logarithms-tutorial/logarithm_basics/v/logarithmic-equations-2
https://www.khanacademy.org/math/algebra/logarithms-tutorial/logarithm_basics/e/logarithms_1
https://www.khanacademy.org/math/algebra/logarithms-tutorial/logarithm_basics/v/fancier-logarithm-expressions
https://www.khanacademy.org/math/algebra/logarithms-tutorial/logarithm_basics/e/logarithms_1.5
https://www.khanacademy.org/math/algebra/logarithms-tutorial/logarithm_basics/v/graphing-logarithmic-functions