1. Exponentials and Logs Review Day
Yes, I will go over homework after this…but start to fill in the missing pieces as I am going over some of this material…

2. LOGS Warm-up
Evaluating Logs

3. LOGS Warm-up Convert from log form to exponential form
Convert from exponential form to log form

4. LOGS Warm-up Convert from log form to exponential form
Convert from exponential form to log form
Expand
Condense

5. Log Equations

6. Exponential Equations

7. Exponential Word Problems
Compounded Continuously
Other compounds
Half Life
inc/decreasing and app/depreciation

8. You have decided to invest $2500 at an 8% annual rate of interest
You have decided to invest $2500 at an 8% annual rate of interest. How much will you have accumulated after 4 years it is compounded:
Annually?
Quarterly?
Daily?
Continuously?

9. You have decided to invest $10,000 at an 6.75% annual rate of interest. How much will you have accumulated after 5 years it is compounded:
Annually?
Quarterly?
Daily?
Continuously?

10. Interest
An initial investment of $100 is now valued at $ The interest rate is 8% compounded continuously. How long has the money been invested?

11. Another Example:
Suppose a $125,000 piece of machinery is depreciating at 8% every year.
How much is it worth after 5 years?
After 7 years?
How long will it take for it to be worth less than $50,000?

12. How Long Problems?
Suppose you buy a used car that costs $11,800. The expected depreciation of the car is 20% a year. When will the value be $6,500?

13. Homework Questions