Definition of One-to-One Functions

This Definition of One-to-One Functions video also includes:

Functions are special relations, but are there special functions? A concept video defines a one-to-one function. Three problem videos cover examples in determining whether a relation is a function and whether it is a one-to-one function.

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Instructional Ideas

  • Use the video as an intervention tool for learners struggling with one-to-one functions
Classroom Considerations

  • Be sure learners watch all problem videos as each covers a different form (mappings, ordered pairs, and graphs)
  • Learners should already be familiar with the definition of a function
Pros

  • Simple, clear explanations
Cons

  • Concept video is somewhat blurry