The price of a particular snack at a ballpark seems to affect the number sold in a way such that the product of the number sold and the price in dollars is roughly constant. The table shows some of the data.
Price (dollars)
1.00
Number sold
2100
1.50
1400
2.00
1050
2.50
840
Is the data linear? Why or why not?
a. Yes, it appears on a straight line.
C. There is not enough information to
determine whether this data is linear
d. Yes, the average rate of change is
constant
b. No, it does not appear on a straight line.