The temperature in Tampa increased from 4 a. m. to 4 p. m. on one day in February. The table of values below represents temperature as a function of time. Time
5:53 a. m.
6:53 a. m.
8:53 a. m.
11:53 a. m.
3:53 pm
Temperature
(°F)
60.1
60.1
66.9
75.2
78.1
Over which interval was the average rate of change per hour the greatest?
mi