# Applications of Exponential and Logarithmic Functions

In this module we will explore a few applications of exponential and logarithmic functions.

**Review: **Solving exponential and logarithmic equations

**Learning Objectives**:

**Applications of Exponential Functions**

- Compound intererst problems - regular compounding and continuous compounding
- Exponential growth and decay problems
- Newton's Law of Cooling
- Logistic Growth Mode.

**Applications of Logarithmic Functions**

- Information Entropy
- Richter scale for measuring intensity of an earthquake
- pH level of a solution
- Sound level measured in decibels