Final answer:
The given temperatures describe a relation where the days of the week are the independent variable and the temperature is the dependent variable. The domain is the set of days of the week, and the range is the set of temperatures.
Step-by-step explanation:
The given temperatures describe a relation. In this case, the independent variable is the days of the week (Monday-Friday), and the dependent variable is the temperature. The domain for this relation is the set of days of the week (Monday-Friday), and the range is the set of temperatures (81°F, 84°F, 85°F, 86°F).