Building Functions: Reverse to Inverse

Reverse the wrapping to get to the gift. Using the idea of unwrapping a gift, the lesson introduces the concept of inverses. Pupils first determine the order needed to evaluate a function at a point, then use the reverse to find the inverse of the function. They graph the function and the inverse and compare the domains and ranges.

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CCSS: Adaptable
Instructional Ideas

  • Develop a list of operations and their associated inverse operations
Classroom Considerations

  • Individuals need access to Desmos or another graphing utility
  • The class should understand the terminology used with functions

  • Uses multiple representations to the inverse function
  • Includes a link as an intervention for learners struggling with the order of operations

  • None