Consider the plot of the total number E of Ebola cases in West Africa reported to the Centers for Disease Control and Prevention from April 1, 2014, through December 1, 2015. Ebola Cases in West Africa A logistic fit for these data is given by 27,841.42 E = 1+ 134,65e-0.646t where t is the time in months since April 1, 2014. Below, we have added the graph of this model. Logistic Graph Added (a) Does the first plot, "Ebola Cases in West Africa," show a continuing epidemic or a health crisis that is under control by December 2015? Because the data points appear to be --Select--- they show a health crisis that is --Select--- (b) According to the model, what was the total number of cases when the disease was spreading at the fastest rate? Round your answer to the nearest whole number. cases (c) Use the crossing-graphs method to determine when the disease was growing at the fastest rate. Round your answer, in months after April 1, 2014, to one decimal place. months

Linear Algebra: A Modern Introduction
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Chapter6: Vector Spaces
Section6.7: Applications
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Consider the plot of the total number E of Ebola cases in West Africa reported to the Centers for Disease Control and Prevention from April 1, 2014, through December 1, 2015.
O O O O
Ebola Cases in West Africa
A logistic fit for these data is given by
27,841.42
E =
1 + 134.65e-0.646t'
where t is the time in months since April 1, 2014. Below, we have added the graph of this model.
Logistic Graph Added
(a) Does the first plot, "Ebola Cases in West Africa," show a continuing epidemic or a health crisis that is under control by December 2015?
Because the data points appear to be ---Select---
+, they show a health crisis that is ---Select---
(b) According to the model, what was the total number of cases when the disease was spreading at the fastest rate? Round your answer to the nearest whole number.
cases
(c)
Use the crossing-graphs method to determine when the disease was growing at the fastest rate. Round your answer, in months after April 1, 2014, to one decimal place.
months
Transcribed Image Text:Consider the plot of the total number E of Ebola cases in West Africa reported to the Centers for Disease Control and Prevention from April 1, 2014, through December 1, 2015. O O O O Ebola Cases in West Africa A logistic fit for these data is given by 27,841.42 E = 1 + 134.65e-0.646t' where t is the time in months since April 1, 2014. Below, we have added the graph of this model. Logistic Graph Added (a) Does the first plot, "Ebola Cases in West Africa," show a continuing epidemic or a health crisis that is under control by December 2015? Because the data points appear to be ---Select--- +, they show a health crisis that is ---Select--- (b) According to the model, what was the total number of cases when the disease was spreading at the fastest rate? Round your answer to the nearest whole number. cases (c) Use the crossing-graphs method to determine when the disease was growing at the fastest rate. Round your answer, in months after April 1, 2014, to one decimal place. months
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