Introduction to Rational Functions - Concept

Let's be rational about it. An instructive resource provides the definition of rational expressions and rational functions. Examples provide an explanation on how to determine excluded values from the domain. The resource continues to make the connections between excluded domain values and asymptotes, and includes examples show how to use transformations to move the asymptotes and sketch graphs.

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Instructional Ideas

  • Review with the class domain and range
  • Go over function transformations to be sure all pupils are comfortable with them
Classroom Considerations

  • Some class members will confuse finding excluded values with solving the rational expression

  • Some of the videos have transcripts
  • Contains several different levels of problems

  • None