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This Inverse Functions lesson plan also includes:
- Teacher Version (.docx)
- Student Version (.pdf)
- Student Version (.docx)
- Precalculus Module 3: Teacher Materials (.pdf)
- Precalculus Module 3: Student Materials (.pdf)
- Precalculus Module 3: Copy Ready Materials (.pdf)
- Precalculus Module 3 (.html)
- Assessment
- Answer Key
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Undo the functions. Learners refresh their knowledge of inverses of functions from Algebra II in the 19th section of a 23-part Precalculus unit. Pupils look at inverses in tables and graphs. They then add to their understanding of inverses by algebraically calculating them and confirming they are inverses through composition.
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CCSS:
Designed
Concepts
Additional Tags
Instructional Ideas
- Lead a discussion on how to tell whether a function's inverse exists
Classroom Considerations
- It is helpful if the class has an understanding of reflection across the line y = x
- Requires knowing how to calculate compositions
Pros
- Contains detailed answer keys that show the algebraic steps involved
- Provides several scaffolding suggestions throughout the lesson
Cons
- None