Question: 3. The data on the next page represents the number of Total COVID-19 cases in the US from March 1, 2020 to April 1, 2020.

3. The data on the next page represents the number of Total COVID-19 cases in the US from March 1, 2020 to April 1, 2020.

a. Find an exponential regression for the data of the form = . Make sure you clearly define your variables.

b. Provide a neat graph of your function. This can be a screen shot/clip of Desmos but make sure it is well labeled.

c. Explain what the a and b values mean in context.

. Using your regression function, how many people would have contracted COVID-19 by April 15?

e. The population of the United States is about 331 million. Use your function to estimate the date when all 331 million people would have contracted COVID-19. f. Calculate the average rate of change from March 1 to March 2 and compare it to the average rate of change from March 30 to March 31. Explain the meaning of these values

3. The data on the next page represents the number of Total COVID-19 cases in the US from March 1, 2020 to April 1,

Date Total Number of COVID-19 Cases in the USA 1-Mar-2020 30 2-Mar-2020 53 3-Mar-2020 80 4-Mar-2020 98 5-Mar-2020 164 6-Mar-2020 214 7-Mar-2020 279 8-Mar-2020 423 9-Mar-2020 647 10-Mar-2020 937 11-Mar-2020 1,215 12-Mar-2020 1,629 13-Mar-2020 1,896 2,234 14-Mar-2020 15-Mar-2020 3,487 16-Mar-2020 4,226 17-Mar-2020 7,038 18-Mar-2020 10,442 19-Mar-2020 15,219 20-Mar-2020 18,747 21-Mar-2020 24,583 22-Mar-2020 33,404 23-Mar-2020 44,183 24-Mar-2020 54,453 25-Mar-2020 68,440 26-Mar-2020 85,356 103,321 27-Mar-2020 28-Mar-2020 122,653 29-Mar-2020 140,904 30-Mar-2020 163,539 31-Mar-2020 186,101 1-Apr-2020 213,144

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