# Example 3

- Author:
- Walch Education

- Topic:
- Algebra

The graph shows how the value of a stock has changed over a period of time. What is the average rate of change from 2014 to 2016?

1. Determine the interval to be observed.
2. Identify the initial point of the interval.
3. Identify the endpoint of the interval.
4. Substitute the coordinates of the two points into the slope formula to calculate the average rate of change.
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