When I got up in the morning I put on only a light jacket because, although the
Chapter 4, Problem 9(choose chapter or problem)
When I got up in the morning I put on only a light jacket because, although the temperature was dropping, it seemed that the temperature would not go much lower. But I was wrong. Around noon a northerly wind blew up and the temperature began to drop faster and faster. The worst was around 6 pm when, fortunately, the temperature started going back up. (a) When was there a critical point in the graph of temperature as a function of time? (b) When was there an inflection point in the graph of temperature as a function of time?
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