1.   What is the constant rate of change between the quantities in the table?
   
    A. $1 per hour B. $5 per hour
    C. $10 per hour D. $40 per hour
    Hint

  2.   What is the constant rate of change between the quantities in the table?
   
    A. 60 calories per minute B. 4 calories per minute
    C. 40 calories per minute D. 15 calories per minute
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  3.   What is the constant rate of change between the quantities in the table?
   
    A. 2 burgers per person B. 20 burgers per person
    C. 5 burgers per person D. 10 burgers per person
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  4.   What is the constant rate of change shown in the graph?
   
    A. 130 mph B. 65 mph
    C. 55 mph D. 70 mph
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  5.   What is the constant rate of change shown in the graph?
   
    A. 2 lbs per person B. 1 lb per person
    C. 0.5 lb per person D. 0 lbs per person
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