At midnight, the temperature in a city was 5 degrees Celsius. The temperature was dropping at a steady rate of 2 degrees Celsius per hour.
1. Write an inequality that represents t, the number of hours past midnight when the
temperature was colder than -4 degrees Celsius. Explain or show your reasoning.
2. On the number line, show all the values of t that make your inequality true.
-4
-2
0
2
4
6
8
10