Question: Name: Concept Check A: Sinusoidal Application Date : March 6 2 07 Complete the following questions on this sheet of paper. You may use your

 Name: Concept Check A: Sinusoidal Application Date : March 6 2

Name: Concept Check A: Sinusoidal Application Date : March 6 2 07 Complete the following questions on this sheet of paper. You may use your homework or any of your notes as a reference. You may also collaborate with peers who do not have the same concept check; otherwise, please complete this task independently. Show your best work and clear explanations to demonstrate learning and receive an optimum assessment. 1. In a certain town, the time of sunrise on any given day can be determined by the formula t = -1.79sin [27 (d -78) +6.3 where t is the time, in hours, after midnight and d is the number of the day in any year. a. Sketch the graph using appropriate window settings across one period. b. Determine what time, to the nearest minute, the sun will rise on day 312. c. What time, to the nearest minute, is the latest sunrise? d. What day will the earliest sunrise occur? e. How many days does the sunrise before 5:15AM

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