1.   Which statement is true about the graph shown below?
   
    A. The relation is not a function. B. The range is {-3, -2, 0, 1}.
    C. The domain is {-3, 2, 4}. D. The relation is a function.
    Hint

  2.   Choose the graph that is not a function.
    A. B.
    C. D.
    Hint

  3.   The temperature f(x) of water in a lake in degrees Fahrenheit is estimated by the function shown below, where x is the depth in feet of the water. What would be the temperature of water 30 feet below the surface?
   
    A. 63°F B. 33°F
    C. 71.25°F D. 111°F
    Hint

  4.   Find the domain of the relation shown in the graph.
   
    A. {-3, -2, -1, 0, 1, 3} B. {-3, -2, -1, 0, 1, 2, 3, 5}
    C. {0, 1, 2, 3} D. {-2, -1, 1, 2, 3, 5}
    Hint

  5.   Given find
    A. 12 B. –14
    C. 10 D. –12
    Hint



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