Relations and Functions 3

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Taught by YourMathGal
  • Currently 4.0/5 Stars.
8126 views | 2 ratings
Part of video series
Meets NCTM Standards:
Lesson Description:

More about relations and functions.

More free YouTube videos by Julie Harland are organized at

Questions answered by this video:
  • What is a function?
  • What makes a relation a function?
  • How can you determine whether a relation is a function?
  • Is a circle a function?
  • How can you tell if a graph is a function?
  • What is the vertical line test?
  • Is a vertical line like x = 3 a function?
  • Are all non-vertical lines functions?
  • What is a linear function?
  • How do you graph the function f(x) = -2x + 1?
  • What is function notation?
  • Staff Review

    • Currently 4.0/5 Stars.
    This lesson goes through some examples of relations and explains whether they are functions or not. This is great practice for identifying functions. Properties of functions are explained as well as methods for determining whether a graph, table, set of ordered pairs, or picture is a function.