The population of the world x years after the year 2010 is predicted to be 6.9e0.00743x billion people (for Osxs 30).t Use this formula to predict the world population in the year 2020. (Round your answer to one decimal place.) billion people

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Q
The population of the world x years after the year 2010 is predicted to be 6.9e0.00743x billion people (for
OSxS 30).t
Use this formula to predict the world population in the year 2020. (Round your answer to one decimal place.)
billion people
Female mosquitoes (Culex pipiens) feed on blood (only the females drink blood) and then lay several hundred eggs. In this way each mosquito can, on the average, breed another 300 female mosquitoes in abc
9 days. Find the number of female great-grandchildren mosquitoes that will be descended from one female mosquito, assuming that all 300 female eggs hatch and mature.
If a dosage d of a drug is administered to a patient, the amount of the drug remaining in the tissues t hours later will be
f(t) = de-kt,
where k (the "absorption constant") depends on the drug.t
For the cardioregulator digoxin, the absorption constant is k = 0.018. For a dose of d = 6 milligrams, use the previous formula to find the amount remaining in the tissues after the following amounts of time. (Round
your answers to two decimal places.)
(a) 24 hours
mg
Line 16, Column 1
Chars 1096, Words 178
9:37 AM.
O Type here to search
4/27/2021
F10
FB
|立
Transcribed Image Text:Q The population of the world x years after the year 2010 is predicted to be 6.9e0.00743x billion people (for OSxS 30).t Use this formula to predict the world population in the year 2020. (Round your answer to one decimal place.) billion people Female mosquitoes (Culex pipiens) feed on blood (only the females drink blood) and then lay several hundred eggs. In this way each mosquito can, on the average, breed another 300 female mosquitoes in abc 9 days. Find the number of female great-grandchildren mosquitoes that will be descended from one female mosquito, assuming that all 300 female eggs hatch and mature. If a dosage d of a drug is administered to a patient, the amount of the drug remaining in the tissues t hours later will be f(t) = de-kt, where k (the "absorption constant") depends on the drug.t For the cardioregulator digoxin, the absorption constant is k = 0.018. For a dose of d = 6 milligrams, use the previous formula to find the amount remaining in the tissues after the following amounts of time. (Round your answers to two decimal places.) (a) 24 hours mg Line 16, Column 1 Chars 1096, Words 178 9:37 AM. O Type here to search 4/27/2021 F10 FB |立
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