2. In Example 4 in Section 1.3 we arrived at a model for the length of daylight (in
Chapter 3, Problem 82(choose chapter or problem)
2. In Example 4 in Section 1.3 we arrived at a model for the length of daylight (in hours) in Philadelphia on the th day of the year: Use this model to compare how the number of hours of day light is increasing in Philadelphia on March 21 and May 21
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