Change the way the class looks at percent change. Scholars learn to write exponential functions from given information about percent change and to solve real-world problems involving the concept. They also see how to identify the initial value and percent change from exponential functions represented as equations and tables.

Concepts

percent change, exponential functions, exponential growth, exponential decay

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Instructional Ideas

• Use the corrective assignment as homework
  

Classroom Considerations

• This is the third of five installments in the Algebra II - Exponential Functions unit
• The video uses a TI-84 Plus graphing calculator; be sure the class knows how to apply the process to their own calculators
  

• This video is hosted on YouTube

Pros

• Instructors will appreciate the separate answer key
  
• Worksheet includes the examples from the video to help pupils take notes
  

Cons

• None

Common Core

HSF-BF.A.1.a HSF-BF.A.1.b HSF-BF.A.1.c