Answered: Intensity of Sunlight Beneath the…

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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The function f(x) = 20(0.975)^x models the percentage of surface sunlight, f(x), that reaches a depth of x feet beneath the surface of the ocean. The figure shows the graph of this function.Use the function to determine at what depth, to the nearest foot, there is 1% of surface sunlight. How is this shown on
the graph of f ?

Intensity of Sunlight Beneath
the Ocean's Surface
y
14
12
10
flx) = 20(0.975)*
%3!
8.
4
20
40
60
80
100 120 140
Ocean Depth (feet)
Percentage of Surface
Sunlight Intensity
2.

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