2. Let b be the brightness of a light source, and A be the area of a human’s pupil. Suppose that through experimentation, the relationship between b and A was found to be 40 + 24b0.4 A = 1+ 4b0.4 where A is measured in square millimeters. Compute and interpret the limit lim A.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter8: Areas Of Polygons And Circles
Section8.4: Cicumference And Area Of A Cicle
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2. Let b be the brightness of a light source, and A be the area of a human’s pupil. Suppose
that through experimentation, the relationship between b and A was found to be
40 + 24b0.4
A =
1+ 4b0.4
where A is measured in square millimeters.
Compute and interpret the limit lim A.
b→∞
Transcribed Image Text:2. Let b be the brightness of a light source, and A be the area of a human’s pupil. Suppose that through experimentation, the relationship between b and A was found to be 40 + 24b0.4 A = 1+ 4b0.4 where A is measured in square millimeters. Compute and interpret the limit lim A. b→∞
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