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Identifying Functions

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  • Is it a function?
    No
    Yes
  • Which of the following is NOT a function?
    {(1, 2), (2, 3), (3, 4), (5, 2)}
    {(5, -1), (-3, 4), (-1, 6), (0,1)}
    {(2, 1), (3, 1), (4, 1), (5, 1)}
    {(3, -2), (5, 1), (7, -3), (3, 3)}
  • Which of the following is NOT a function?
    {(4, 4), (5, 4), (6, 4)}
    {(4, 4), (5, 5), (6, 6)}
    {(4, 5), (5, 5), (6, 5)}
    {(4, 4), (4, 5), (4, 6)}
  • Which of the following relations does NOTrepresent a function?
    D
    A
    C
    B
  • Is this relation a function or not?
    Not a function
    Function
  • Is it a function?
    Yes
    No
  • Is this a function?
    Yes
    Absolutely not
  • Is this a function?
    No
    Yes
    Just do it
    Not enough information provided
  • Is it a function?
    Yes
    No
  • Is it a function?
    Yes
    No
  • Is it a function?
    Yes
    No
  • Is it a function?
    No
    Yes
  • Which of the following is a function?
    {(3, 4), (5, 7), (−2, 6), (3, 7)}
    {(3, 6), (2, 8), (−3, −7), (2, −8)}
    {(3, 4), (5, 7), (−2, 7), (3, 8)}
    {(3, 6), (2, 7), (−3, 6), (−2, −8)}
  • Is it a function?
    Yes
    No
  • Which table(s) represents a function
    Table B
    Table A
    Both
    Neither
  • Which one is NOT a function?
    C
    D
    B
    A
  • Is this relation a function or not?
    Not a function
    Function
  • Is it a function?
    Yes
    No
  • Is this a function?
    I don't know :(
    No
    Yes
  • Is this relation a function or not?
    Not a function
    Function
  • Which map shows a function?
    B
    C
    A
    D
  • Is it a function?
    Yes
    No
  • Is it a function?
    No
    Yes
  • Is this a graph of a Function or Not a Function?
    Function
    Not a Function
  • Is this a function?
    Yes
    No
  • Is it a function?
    Yes
    No
  • Is it a function?
    Yes
    I don't know
    No
  • Is it a function?
    No
    Yes
  • Which table shows a function?
    C
    A
    D
    B
  • Is this a graph of a Function or Not a Function?
    Not a Function
    Function
  • Is this a function?
    Yes
    I'm not sure
    No
  • Is this a function?
    Yes
    No
    I don't know
  • This mapping is not a function. Why?
    If graphed, the relation would be a parabola
    the mapping is a function!
    you can not have negative inputs
    one of the inputs is mapped to more than one output
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