# Example 3

- Author:
- Walch Education

A number of bacteria, , at any time , in hours, can be estimated using the function . What was the initial size of the bacteria colony? Is the bacteria population exponentially decaying or growing?

- Identify the value of the dependent quantity at
. - Identify the hourly rate of change in the function.
- Describe how the rate of change relates to the change of the dependent quantity.