One spring day, Savannah noted the time of day and the temperature, in degrees
Fahrenheit. Her findings are as follows: At 6 a.m., the temperature was 60° F. For the
next 5 hours, the temperature rose 1° per hour. For the next 2 hours, it rose 4° per
hour. The temperature then stayed steady until 6 p.m. For the next 3 hours, the
temperature dropped 1° per hour. The temperature then dropped steadily until the
temperature was 69° at midnight. On the set of axes below, graph Savannah's data.