Lesson plan

Create and solve equations modeling exponential growth and decay by using explicit rules

teaches Common Core State Standards CCSS.Math.Content.HSF-IF.C.8 http://corestandards.org/Math/Content/HSF/IF/C/8
teaches Common Core State Standards CCSS.Math.Content.HSF-IF.C.8b http://corestandards.org/Math/Content/HSF/IF/C/8/b

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Big Ideas: Compound interest is a specific type of exponential growth. Real world problems, including interest and depreciation, can be modeled using exponential functions. In this task, students write function rules for exponential growth and decay models with financial applications. They then use those function rules to maximize investments and minimize losses. Students will relate exponential growth functions, which were developed in previous lessons, to the compound interest formula. Vocabulary: compound interest, growth, decay, depreciate, interest Special Materials: None