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

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

Exponential Growth

Exponential Decay

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

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?

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?