# Exponential Functions - Applications - Compound Interest - Growth and Decay

## Free Trigonometry Worksheet - Exponential Functions - Applications - Compound Interest - Growth and Decay

**Lesson:**

**Subject:**

**Description:**

**# of Problems:** 10

**# of Pages:** 2

**Answer Key?:** Yes

### Sample Problems from Worksheet

(Worksheet pictures and diagrams not shown)

Tutor-USA.com Worksheet

Applications on Exponential Functions

A. Find the compound amount at the end of 10 years on an original principal of $200 at 4%

1) compounded annually

2) compounded semi-annually

3) compounded quarterly

4) compounded continuously

B. What time is required to double a certain amount

1) compounded annually at 6%

2) compounded continuously at 6%

C. There are originally 1 000 bacteria in a culture, and 4 hours later there are 4 000. Find the rate of increase per hour of the bacteria.

D. In a certain chemical reaction, the original concentration of 0.03 is reduced to 0.01 in 4 minutes

1) What is the rate of decrease in concentration per minute?

2) What will be the concentration be in 10 minutes?