Question: A pan with initial temperature -25C is put in a room with temperature 25C. After half an hour, the skillet's temperature changes to -15C. 1.

A pan with initial temperature -25C is put in a room with temperature 25C. After half an hour, the skillet's temperature changes to -15C.

1. Find an expression for the pan's temperature as function of time.

2. What is the pan's temperature after another half hour?

3. When will the pan have warmed to 10C? to 25C?

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