The total number of Corona cases in the US, please keep in mind it is a running total. Courtesy of worldometers.info Date in 2020Day (t)Number of Corona Cases (C)Feb. 15115Feb. 261268Mar. 823541Mar. 193414,896Mar. 3045171,655Apr10.56517,100Apr. 2167835,559May 2781,170,301May 13891,443,627May 241001,704,112June 41111,942,737June 151222,187,774June 261332,556,718July 71443,109,759July 181553,849,089July 291664,588,252Aug. 91775,228,738Aug. 201885,771,205Aug. 311996,239,373Sept. 112106,673,451Sept. 222217,109,730 Let C be the total number of Corona Virus cases in the United States by the end of the t days since Feruary 14, 2020. (Let t = 0 represent Feb. 15, 2020.) Create a scatter plot of the data. Take up the entire piece of graph paper. Make sure to label the axes, and title your graph. Does it look linear? Exponential, Quadratic? Use the calculator to find the regression equation for this data. Express the equation as a function, C(t) = abt.Include screen shots of your data list entered, scatter plot on the calculator and the regression equation screen State a for both equations. What does it represent/mean in this context? State b for both equations. What does it represent/mean in this context? Estimate the total number of cases in the US by the end of the year, Dec. 31, 2020.Remember t = 0 is February 14, 2020Include screen shots of the calculator screen used to estimate the value.Interpret the value correctly. Life Expectancy in years at time of Birth in the United States. Life Expectancy at Birth YearMenWomen190047.920.7191049.953.2192055.557.4193057.760.9194061.665.9195065.571196066.873.219706774.6198070.177.6199071.878.8199773.679.4 Source: Census Let x = 0 represent 1900, create a scatter plot that has both data sets on the same axes. Be sure to use different colors and label so a person can tell which points belong to which data set. Enter the data into your graphing calculator and create a scatter plot. Does the data look linear? Use your graphing calculator to find an equation M(x) for the life expectancy of men. Round numbers to 4 decimal places if necessary. Use your graphing calculator to find an equation W(x) for the life expectancy of women. Round numbers to 4 decimal places if necessary. In what year of birth, will Men and Women have the same life expectancey? You can find this by hand or calculator.By hand you will need to show work to justify your answer.By calculator you will need to include screenshots to justify answer.

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Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

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The total number of Corona cases in the US, please keep in mind it is a running total. Courtesy of worldometers.info

Date in 2020	Day (t)	Number of Corona Cases (C)
Feb. 15	1	15
Feb. 26	12	68
Mar. 8	23	541
Mar. 19	34	14,896
Mar. 30	45	171,655
Apr10.	56	517,100
Apr. 21	67	835,559
May 2	78	1,170,301
May 13	89	1,443,627
May 24	100	1,704,112
June 4	111	1,942,737
June 15	122	2,187,774
June 26	133	2,556,718
July 7	144	3,109,759
July 18	155	3,849,089
July 29	166	4,588,252
Aug. 9	177	5,228,738
Aug. 20	188	5,771,205
Aug. 31	199	6,239,373
Sept. 11	210	6,673,451
Sept. 22	221	7,109,730

Let C be the total number of Corona Virus cases in the United States by the end of the t days since Feruary 14, 2020. (Let t = 0 represent Feb. 15, 2020.) Create a scatter plot of the data. Take up the entire piece of graph paper. Make sure to label the axes, and title your graph.

Does it look linear? Exponential, Quadratic?

Use the calculator to find the regression equation for this data. Express the equation as a function, C(t) = ab^t.

Include screen shots of your data list entered, scatter plot on the calculator and the regression equation screen

State a for both equations. What does it represent/mean in this context?

State b for both equations. What does it represent/mean in this context?

Estimate the total number of cases in the US by the end of the year, Dec. 31, 2020.
- Remember t = 0 is February 14, 2020
- Include screen shots of the calculator screen used to estimate the value.
- Interpret the value correctly.

Life Expectancy in years at time of Birth in the United States.

	Life Expectancy at Birth

Year	Men	Women
1900	47.9	20.7
1910	49.9	53.2
1920	55.5	57.4
1930	57.7	60.9
1940	61.6	65.9
1950	65.5	71
1960	66.8	73.2
1970	67	74.6
1980	70.1	77.6
1990	71.8	78.8
1997	73.6	79.4

Source: Census

Let x = 0 represent 1900, create a scatter plot that has both data sets on the same axes. Be sure to use different colors and label so a person can tell which points belong to which data set.

Enter the data into your graphing calculator and create a scatter plot.

Does the data look linear?

Use your graphing calculator to find an equation M(x) for the life expectancy of men. Round numbers to 4 decimal places if necessary.

Use your graphing calculator to find an equation W(x) for the life expectancy of women. Round numbers to 4 decimal places if necessary.

In what year of birth, will Men and Women have the same life expectancey? You can find this by hand or calculator.
- By hand you will need to show work to justify your answer.

By calculator you will need to include screenshots to justify answer.

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