8.4 Introduction to Functions

Beginning Lesson

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Watch Your Step

What should teacher salaries be based on? Students will use and compare linear functions to analyze how teacher pay is currently determined, and decide whether they would give merit-based pay an A+ or failing marks.

Topic: Functions (F)

Middle Lesson

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In the Zone

How hard should you exercise? Students write and graph an equation for maximum heart rate in terms of age, and then calculate ideal heart rate zones for different types of workouts.

Topic: Functions (F)

End Lesson

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Sweet Tooth

How much Halloween candy should you eat? Students analyze graphs of linear and nonlinear piecewise functions to compare how much enjoyment people get as they eat through their candy and debate the best strategy for maximizing Halloween happiness.

Topic: Functions (F)