The spread of a flu virus through a certain population is modeled by 1000 y 1+ 990e-0.7 where y is the total number infected after / days. In how many days will 820 people be infected with the virus? (a) 10 days (b) 11 days (c) 12 (d) 13 days (e) Nonc of these

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter10: Exponential And Logarithmic Functions
Section10.5: Solve Exponential And Logarithmic Equations
Problem 10.87TI: Researchers recorded that a certain bacteria population grew from 100 to 500 in 6 hours. At this...
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22)
The spread of a flu virus through a certain population is modeled by
1000
y
1 + 990e-0.7£ '
where y is the total number infected aſter / days. In how many days will 820
people be infected with the virus?
(a) 10 days
(b) 11 days
(c) 12 days
(d) 13 days
(e) Nonc of these
Transcribed Image Text:22) The spread of a flu virus through a certain population is modeled by 1000 y 1 + 990e-0.7£ ' where y is the total number infected aſter / days. In how many days will 820 people be infected with the virus? (a) 10 days (b) 11 days (c) 12 days (d) 13 days (e) Nonc of these
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