21. Daylight in Fairbanks The viewing window below shows the number of hours of daylight in Fairbanks, Alaska, on each day for a typical 365-day period from January 1 to December 31. Answer the following questions by estimating slopes on the graph in hours per day. For the purposes of estimation, assume that each month has 30 days. [0, 365] by [0, 24] (a) On about what date is the amount of daylight increasing at the fastest rate? What is that rate? (b) Do there appear to be days on which the rate of change in the amount of daylight is zero? If so, which ones? (c) On what dates is the rate of change in the number of daylight hours positive? negative?
21. Daylight in Fairbanks The viewing window below shows the number of hours of daylight in Fairbanks, Alaska, on each day for a typical 365-day period from January 1 to December 31. Answer the following questions by estimating slopes on the graph in hours per day. For the purposes of estimation, assume that each month has 30 days. [0, 365] by [0, 24] (a) On about what date is the amount of daylight increasing at the fastest rate? What is that rate? (b) Do there appear to be days on which the rate of change in the amount of daylight is zero? If so, which ones? (c) On what dates is the rate of change in the number of daylight hours positive? negative?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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