3. a) The intensity, I, of sunlight decreases exponentially with depth, d, below the surface of the ocean. The relationship is given by I(d) = 100(0.39)d When the intensity of sunlight at the surface is 100 units, what is the intensity at a depth of 3 m, to the nearest tenth? b) What is the intensity at a depth of 5 m, to the nearest tenth?

3. a) The intensity, I, of sunlight decreases exponentially with depth, d, below the surface of the ocean. The relationship is given by I(d) = 100(0.39)d When the intensity of sunlight at the surface is 100 units, what is the intensity at a depth of 3 m, to the nearest tenth? b) What is the intensity at a depth of 5 m, to the nearest tenth?

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter4: Polynomial And Rational Functions

Section4.CT: Chapter Test

Problem 4CT

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Find the intensity of light at a depth of 12 meter if I0=14 and k=0.7. Round to two decimals.
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