# Example 3

- Author:
- Walch Education

- Topic:
- Functions

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].

- Compare the
-intercepts of each function. - Compare the rate of change for each function over the interval [5, 15].
- Summarize your findings.