Wayne is recording the number of hours he sleeps over different periods of time. The table provided shows the number of hours Wayne sleeps during the respective amount of days.
Number of Days Hours of Sleep
3 15
6 30
9 45
12 60
15 75
What is the rate of change of Wayne's hours of sleep with respect to each day?
A.
6 hours per day
B.
5 hours per day
C.
8 hours per day
D.
3 hours per day
