A pizza pan is removed at 2:00 PM from an oven whose temperature is fixed at 450°F into a room that is a constant 70°F. After 5 minutes, the pizza pan is at 300°F.
(a) At what time is the temperature of the pan 130°F?
(b) Determine the time that needs to elapse before the pan is 190°F.
(c) What do you notice about the temperature as time passes?