Lesson: Average Rates of Change and Secant Lines

In this lesson, we will learn how to find the average rates of change and secant lines, which are the equivalent geometric definition of the average rates of change.

Question Video: Computing the Average Rate of Change of Polynomial Functions between Two Points

03:22

Worksheet: Average Rates of Change and Secant Lines • 18 Questions

Q1:

For a function , the rate of change at a fixed is . Given that , find when .

Q2:

Determine the average rate of change function for when changes from to .

Q3:

The graph below is of the sales revenue in millions of pounds after months. Find the average rate of change in revenue per month between the and months.

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