What is the domain of a function?

After defining a simple function from a word problem, a short video shows how one could find the domain and the range of that function. The instruction reinforces the definitions of domain and range with a concrete example.

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Instructional Ideas

  • Have learners watch the video at home before coming to class
Pros

  • A helpful step when learning more about domain and range
  • Simple and explanatory narration keeps learners engaged
Cons

  • None