

1. 
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 


Hint 


2. 
What is the constant rate of change shown in the graph? 





A. 
55 mph 
B. 
70 mph 


C. 
130 mph 
D. 
65 mph 


Hint 


3. 
What is the constant rate of change shown in the graph? 





A. 
$20 per lawn 
B. 
$10 per lawn 


C. 
$16 per lawn 
D. 
$5 per lawn 


Hint 


4. 
What is the constant rate of change shown in the graph? 





A. 
0 lbs per person 
B. 
1 lb per person 


C. 
0.5 lb per person 
D. 
2 lbs per person 


Hint 


5. 
What is the constant rate of change shown in the graph? 





A. 
15 feet per minute 
B. 
150 feet per minute 


C. 
15 feet per minute 
D. 
150 feet per minute 


Hint 

