Lesson plan

Write and evaluate exponential functions by modeling salary plans

teaches Common Core State Standards CCSS.Math.Content.HSF-IF.A.2 http://corestandards.org/Math/Content/HSF/IF/A/2

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Big Ideas: Write an exponential function that models data. Evaluate exponential functions to give new information. This task builds on lesson 1 and has students write functions to model a linear and an exponential growth pattern. Students are presented two different job pay options and asked to generalize the pattern. They are then asked to evaluate the function to predict and compare days 9, 10, 30, and 50, and decide which pay option is better. Vocabulary: linear growth, exponential growth, functions, function notation