1.	Each year, the population of Chicago increases. What would a line graph showing the yearly population of Chicago look like?
		A.	It would go up from left to right.
		B.	It would go down from left to right.
		C.	It would be a vertical line.
		D.	It would be a horizontal line.
		Hint
	2.	The line graph shows the time it takes Kyle to climb the steps in the Statue of Liberty. Predict the total time it will take him to climb 354 steps to the top of the statue, if his rate remains approximately the same.
		A.	16 min	B.	20 min
		C.	12 min	D.	10 min
		Hint
	3.	What would you predict your resting heart rate would be if you exercise 25 minutes per day?
		A.	100	B.	50
		C.	70	D.	120
		Hint
	4.	How many minutes would you have to exercise each day to have a resting heart rate of 60 beats per minute?
		A.	10 minutes	B.	60 minutes
		C.	20 minutes	D.	30 minutes
		Hint
	5.	What would you predict your heart rate would be if you exercise 40 minutes per day?
		A.	10	B.	0
		C.	50	D.	120
		Hint