You are studying the impacts of rising sea levels on an estuary, and are modeling how the salinity of a particular area changes with the tidal cycle. The mixed-tide cycle on this part of the coast has a period of approximately 25 hours, giving the salinity fluctuation of the estuary a similar cycle. Twenty years ago, the salinity was modeled by the function s (t) = 12 sin t) -t) + 15, where t is in 25 25 hours and s (t) is the salinity in parts per million (ppm). But you have determined that the model S (t) = 14 sin (t) cos t ) cos 25 + 17 more closely 25 fits the current data. • Graph both s (t) and S (t) using technology. What do you observe about the two functions? How are they the same? How are they different?
You are studying the impacts of rising sea levels on an estuary, and are modeling how the salinity of a particular area changes with the tidal cycle. The mixed-tide cycle on this part of the coast has a period of approximately 25 hours, giving the salinity fluctuation of the estuary a similar cycle. Twenty years ago, the salinity was modeled by the function s (t) = 12 sin t) -t) + 15, where t is in 25 25 hours and s (t) is the salinity in parts per million (ppm). But you have determined that the model S (t) = 14 sin (t) cos t ) cos 25 + 17 more closely 25 fits the current data. • Graph both s (t) and S (t) using technology. What do you observe about the two functions? How are they the same? How are they different?
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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