One spring day, Charlotte noted the time of day and the temperature, in degrees Fahrenheit. During that time, the temperature rose, stayed steady, and fell, at different rates. On the set of axes below, Charlotte created a graph of temperature over time.
0
0
Temperature (°F)
6 am
12
Noon
6 pm
12
Midnight
How long did the temperature hold steady for?
How long did the temperature hold steady for?