How to Find the Inverse of a Function

Watch a function stand on its head. Reflect a function to create its inverse and then find the inverse equation algebraically. An instructional video demonstrates how to connect the graphical and algebraic process. 

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CCSS: Adaptable
Instructional Ideas

  • Post the video as a resource for absent pupils or those that need extra instruction
  • Ask learners to create a table of values of the function and its inverse and look for patterns
Classroom Considerations

  • Requires knowledge of graphing square root and quadratic functions
  • Needs an Internet connection to access and view the YouTube video
  • The twenty-second installment in a series of 29 videos

  • Develops a visual representation before focusing on the abstract concept 

  • Leaves the answer as only partially correct by ignoring the restriction to the domain
Common Core