N(t) = 750 1+14e-0.4t where t measured in days. A. How many fruit files were there in the beginning? 50 B. What is the limiting number of fruit flies? 750 C. At what time was the population increasing most rapidly? 6.598 D. At what rate is the number of fruit flies increasing after 3 days? 20.69

N(t) = 750 1+14e-0.4t where t measured in days. A. How many fruit files were there in the beginning? 50 B. What is the limiting number of fruit flies? 750 C. At what time was the population increasing most rapidly? 6.598 D. At what rate is the number of fruit flies increasing after 3 days? 20.69

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter8: Graphing Quadratic Functions

Section: Chapter Questions

Problem 30CR

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Question

The number of Drosophila fruit flies in a controlled experiment assumes the following growth pattern when the food source is limited:

N(t)
=
750
1+14e-0.4t
where t measured in days.
A. How many fruit files were there in the beginning? 50
B. What is the limiting number of fruit flies? 750
C. At what time was the population increasing most rapidly? 6.598
D. At what rate is the number of fruit flies increasing after 3 days?
20.69

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