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Is It A Function?

Quiz by Josephine Grice

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4 questions
Show answers
  • Q1
    Which relation is a function?
    { (2, 4), (-2, 4), (4, -2), (3, -1), (6, 1)}
    { (2, 4), (-2, 4), (4, -2), (4, -1), (6, 1)}
    { (2, 4), (-2, 4), (4, -2), (3, -1), (2, 1)}
    { (-2, 4), (-2, 4), (4, 2), (3, -1), (6, 1)}
    30s
  • Q2
    What is the domain of the relation {(2, 4), (-2, 4), (4, -2), (3, -1), (6, 1)}
    { -2, 2, 3, 4, 5}
    { -2, 2, 3, 4, 6}
    { -2 , 3, 4, 6}
    { -2, -1, 1, 4}
    30s
  • Q3
    What is the range of the relation { (2, 4), (-2, 4), (4, -2), (3, -1), (6, 1)}?
    {-2, -1, 1, 4}
    30s
  • Q4
    Is this a graph of a function?
    Question Image
    Yes, because it passes the vertical line test.
    No, because it fails the vertical line test.
    Yes, because it fails the vertical line test.
    No, because each x value is used only once.
    30s

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