*The lesson begins with graphs of the Dow Jones Industrial Average and water levels of Lake Huron where points on the graph are interpreted.*

- About MAA
- Membership
- MAA Press
- Periodicals
- Books
- eBooks
- Textbooks
- MAA Reviews
- Mathematical Communication
- Information for Libraries
- Author Resources
- Advertise with MAA

- Meetings
- Calendar of Events
- MAA MathFest 2017
- MAA MathFest 2016
- Joint Mathematics Meetings
- Propose a Session
- MAA Section Meetings
- Carriage House Meeting Space
- MathFest Archive

- Competitions
- Community
- Programs
- Students
- High School Teachers
- Faculty and Departments
- Underrepresented Groups
- MAA Awards
- MAA Grants

- News