1.   State the range of the relation {(1, 6), (-2, 3), (5, 7), (5, 9)}.
    A. {1, -2, 5} B. {3, 6, 7, 9}
    C. {3, 6, 9} D. {3, 6, 7}
    Hint

  2.   State the range of the function represented by the graph.
   
    A. {-2, -1, 0, 2} B. {1, 2, 4}
    C. {-1, 1, 2} D. {-1, 1, 2, 4}
    Hint

  3.   Which graph represents a function?
    A. B.
    C. D.
    Hint

  4.   Is the relation {(3, 4), (3, 7), (-6, 4), (4,4)} a function? State why or why not.
    A. no; values in the domain have more than one value in the range.
    B. no; values in the range have more than one value in the domain.
    C. yes; values in the domain have one value in the range.
    D. yes; values in the domain have more than one value in the range.
    Hint

  5.   Is the relation {(4, 6), (7, 6), (-2, 6), (0, 6)} a function?
    A. no; values in the domain have more than one value in the range.
    B. yes; values in the domain have more than one value in the range
    C. yes; values in the domain have one value in the range
    D. no; values in the range have more than one value in the domain.
    Hint



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