問題詳情
3. Based on a recent study, the “happiness” of people who live in a country whose average temperature ist degrees Fahrenheit is given by h(t ) = 8.2 − (0.01t − 2.8) 2 , for 35 ≤ t ≤ 72 (“Happiness” was rated from1 = “not at all happy” to 4 “very happy”.) Find h (40) and h ' (40) . Interpret your answer.
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