1.   What is the constant rate of change between the quantities in the table?
   
    A. 4 legs per dog B. 4 dogs per leg
    C. 40 legs per dog D. 2 legs per dog
    Hint

  2.   What is the constant rate of change between the quantities in the table?
   
    A. 20 burgers per person B. 5 burgers per person
    C. 2 burgers per person D. 10 burgers per person
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  3.   What is the constant rate of change shown in the graph?
   
    A. 3 B. 6
    C. 5 D. 4
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  4.   What is the constant rate of change shown in the graph?
   
    A. 0.5 lb per person B. 1 lb per person
    C. 2 lbs per person D. 0 lbs per person
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  5.   What is the constant rate of change shown in the graph?
   
    A. -150 feet per minute B. -15 feet per minute
    C. 150 feet per minute D. 15 feet per minute
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