Total Coronavirus Cases in the United States Int logarithmic Total Coronavirus Cases 1500 1250 1000 750 500 250 0 Date Days after Feb 27 Feb 15 Number of Cases Feb 17 Feb 19 60 Feb 21 Feb 23 68 Total Cases (Linear Scale) Feb 25 } Feb 27 100 Cases 27-Feb 29-Feb 2-Mar 4-Mar 6-Mar 0 2 8 6 Feb 29 158 Mar 02 Mar 04 319 Source: https://www.worldometers.info/coronavirus/ Mar 06 8-Mar 10 541 Mar 10 Mar 08 Cases. 994 Mar 10 10-Mar 12 994 1. ( ) Determine the exponential equation of the curve that is passing through two points (2, 68) and (6, 158). I choose these points because they fit the exponential model the best. You have to ignore all other points! You have to use the formulas, not the regression on your calculator! Round your initial value and factor to five decimal places.
Total Coronavirus Cases in the United States Int logarithmic Total Coronavirus Cases 1500 1250 1000 750 500 250 0 Date Days after Feb 27 Feb 15 Number of Cases Feb 17 Feb 19 60 Feb 21 Feb 23 68 Total Cases (Linear Scale) Feb 25 } Feb 27 100 Cases 27-Feb 29-Feb 2-Mar 4-Mar 6-Mar 0 2 8 6 Feb 29 158 Mar 02 Mar 04 319 Source: https://www.worldometers.info/coronavirus/ Mar 06 8-Mar 10 541 Mar 10 Mar 08 Cases. 994 Mar 10 10-Mar 12 994 1. ( ) Determine the exponential equation of the curve that is passing through two points (2, 68) and (6, 158). I choose these points because they fit the exponential model the best. You have to ignore all other points! You have to use the formulas, not the regression on your calculator! Round your initial value and factor to five decimal places.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
100%
Determine the exponential equation of the curve that is passing through two points
Transcribed Image Text:Figure A.
Total Coronavirus Cases in the United States
Inear logarithmic
Total Coronavirus Cases
1500
1250
1000
750
500
250
2.1
0
Date
Days after
Feb 27
Number of
Cases
Feb 15
Feb 17
3.."
4.
6. .
0
Feb 19
60
Feb 21
Feb 23
68
Total Cases
(Linear Scale)
Feb 25
27-Feb 29-Feb 2-Mar 4-Mar
2
4
Feb 27
100
Cases
Feb 29
158
Mar 02
6-Mar
Source: https://www.worldometers.info/coronavirus/
8
319
Mar 04
Mar 06
8-Mar
10
541
Mar 10
Mar 08
Cases. 994
10-Mar
12
1. (
) Determine the exponential equation of the curve that is passing through two points (2, 68) and (6,
158). I choose these points because they fit the exponential model the best. You have to ignore all other points! You
have to use the formulas, not the regression on your calculator! Round your initial value and factor to five
decimal places.
Mar to
Use your equation from step 1 and calculate the number of cases on March 10th. Round your
answer to a whole number.
994
*Find the growth rate. Round your answer to one decimal place.
- Use your calculator to determine the exponential regression equation of the data above. Round
the parameters to five decimal places.
5.1
* Use your equation from step 4 and calculate the number of cases on March 10th. Compare your
answer to the answer that you got for question 2. Which equation model or regression describes the data the best?
Why?
...) Find the growth rate using the equation in step 4.
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Follow-up Question
2. Use your equation from step 1 and calculate the number of cases on March 10th. Round your answer to a whole number.
3. Find the growth rate. Round your answer to one decimal place.
4. Use your calulator to determine the exponetial regression equation of the parameters to five decimal places.
5. use your equation from step 4 and calculate the number of cases on March 10. Compare your answer you got for question 2. Which equation model or regression describes the data the best?
6. Find the growth rate using the equation in step 4.
Solution
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