If R denotes the reaction of the body to some stimulus of strength, the sensitivity is defined

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If R denotes the reaction of the body to some stimulus of strength, the sensitivity is defined to be the rate of change of the reaction with respect to x. A particular example is that when the brightness of a light

source is increased, the eye reacts by decreasing the area R of the pupil. The experimental formula has been used to model the dependence of R on when R is measured in square millimeters and is measured in appropriate units of brightness.
(a) Find the sensitivity.
(b) Illustrate part (a) by graphing both R and S as functions of x. Comment on the values of R and S at low levels of brightness. Is this what you would expect?

40 + 24x04 I+ 4x04
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General Chemistry

ISBN: 978-1439043998

9th edition

Authors: Darrell Ebbing, Steven D. Gammon

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