Kyle has 20 gallons of gasoline to use for his snow plowing business. He uses gasoline
in his snow plow at a constant rate. Let x
represent the number of
driveways plowed
and y represent the amount of gas remaining.
Look at the graph of the function. Construct
a function for this scenario. Assume he must
complete a driveway once he starts it.
A. What is the equation of the line?
10
10
20
30
B. What is the initial value and what does it represent?
C. What is the slope and what does it mean?
D. Is the graph discrete or continuous? Why?