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Exercises 27 and 28: A study suggests that the extinction rate r(t) of marine animal families during the elapsed (in millions of years) since the beginning of the eon 544 million years ago. Thus, t = 544 refers to the present time, t = 540 is 4 million years ago, and so on. 27. Compute the average of RN and Ln with N = 5 to estimate the total number of families that became extinct in the periods 100 < t < 150 and 350 < t < 400.

Exercises 27 and 28: A study suggests that the extinction rate r(t) of marine animal families during the elapsed (in millions of years) since the beginning of the eon 544 million years ago. Thus, t = 544 refers to the present time, t = 540 is 4 million years ago, and so on. 27. Compute the average of RN and Ln with N = 5 to estimate the total number of families that became extinct in the periods 100 < t < 150 and 350 < t < 400.

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 15T
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Exercises 27 and 28: A study suggests that the extinction rate r(t) of marine animal families during the elapsed (in millions of years) since the beginning of the eon 544 million years ago. Thus, t = 544 refers to the present time, t = 540 is 4 million years ago, and so on. 27. Compute the average of RN and Ln with N = 5 to estimate the total number of families that became extinct in the periods 100 < t < 150 and 350 < t < 400.
Transcribed Image Text:Exercises 27 and 28: A study suggests that the extinction rate r(t) of marine animal families during the elapsed (in millions of years) since the beginning of the eon 544 million years ago. Thus, t = 544 refers to the present time, t = 540 is 4 million years ago, and so on. 27. Compute the average of RN and Ln with N = 5 to estimate the total number of families that became extinct in the periods 100 < t < 150 and 350 < t < 400.
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