1. Homework Check

2. Skill Check

3. Essential Questions: 1. How do I solve exponential functions. 2
Essential Questions: 1. How do I solve exponential functions? 2. How do I solve logarithmic functions?

4. Change-of-Base Formula
Let a, b, and x be positive real numbers such that a1 and b1.

5. Hit the ln/log button 3 times!!**
Evaluate using the natural logarithms. Round to four decimal places.
**In the TI-36X Pro :
Hit the ln/log button 3 times!!**

6. Steps for solving Equations
Isolate the log.
Rewrite a Logarithmic Equation in Exponential Form.
3. CHECK YOUR ANSWER!!

7. Ex. 1

8. Ex. 2 – Log Equations

9. Ex. 3 – Log Equations 10

10. Ex. 4 – Log Equations
e ^
e ^

11. Ex. 5 – Log Equations 10

12. Ex. 6 – Log Equations

13. Homework
5A.5 Worksheet