# CCGPS CA 3.5.2 Example 3

- Author:
- Walch Education

A pendulum swings to 90% of its previous height. Pendulum A starts at a height of 50 centimeters. Its height at each swing is modeled by the function .
The height after every fifth swing of Pendulum B is recorded in the following table.
Compare the properties of each function over the interval [5, 15].