Relations and Functions 1

Relations and Functions 1
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Part of video series Relations and Functions
Taught by YourMathGal
More free YouTube videos by Julie Harland are organized at
Definition of Relation and Function, and ways to express them.
  • What is a relation?
  • What are some representations of relations?
  • How do you draw a picture of a relation with inputs and outputs?
  • How do you write a relation as a set of ordered pairs?
  • How can you make a table of values for a relation?
  • How can you describe a relation in words?
  • How can you make a graph for the values of a relation?
  • What is the domain and what is the range of a relation?
  • How do you state the domain and range of a relation?
  • What is the domain and range of a graph with ordered pairs?
  • What is a function?
This lesson is a very basic introduction to relations. The purpose of this lesson is to show you what a relation is, show several methods of representing a relation, and explain some characteristics of a relation. These concepts will be used in the coming videos to explain when a relation is a function. First, however, the basics must be learned in this video. At the end of this lesson, a function is introduced.
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Reviewed by MathVids Staff on June 01, 2010.
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