The logistic growth function P(x) =1+271emodels the percentage, P(x), of Americans who are x years old and have some coronary heart disease. Use this function to find the age at which the percentage of Americans who have some coronary heart disease is 10%.What is the age at which 10% of Americans have some coronary heart disease?years old (Round to the nearest integer)

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Answered: The logistic growth function P(x)=…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Sexually Active Girls The percent of girls betweenages 15 and 20 who have been sexually active atsome time (the cumulative percent) can be modeledby the logistic functiony = 83.84/1 + 13.9233e-0.9248xwhere x is the number of years after age 15.a. Graph the function for 0 <= x <= 5.b. What does the model estimate the cumulativepercent to be for girls of age 16?c. What cumulative percent does the model estimatefor girls of age 20?d. What is the upper limit implied by the givenlogistic model?
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