1. Exponential Growth & Decay1
Exponential Growth 2
Exponential Decay 3
Practice Problems

2. Definitions Exponential Growth
As the value of x increases, y increases
Exponential Decay
As the value of x increases, y decreases

3. Exponential Growth

4. Exponential Decay

5. Another Model for Exponential Growth & Decay
Time
Final Amount
Rate of:
Growth (r>0) Decay (r<0)
Initial Amount

6. Growth Example
You Invested $1000 in a savings account at the end of 6th grade. The account pays 5% annual interest. How much money will be in the account after 6 years?

7. Decay Example
A company purchased $10,000 in equipment that has a depreciation rate of 5.5%. What will be the depreciated value of the equipment after 10 years?