Hours of Daylight In Philadelphia the number of hours of daylight on day t (where t is the number of days after January 1) is modeled by the function
- (a) Which days of the year have about 10 h of daylight?
- (b) How many days of the year have more than 10 h of daylight?
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- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage