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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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Approximating the Area of a Lake To approximate the
area of a lake, Cindy walks around the perimeter of the lake,
taking the measurements shown in the illustration. Using
this technique, what is the approximate area of the lake?
[Hint: Use the Law of Cosines on the three triangles shown
and then find the sum of their areas.]

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