3. Given the data table below answer the questions that follow. Price per unit 5 10 15 20 25 30 weekly profit in thousands -8256 -1035 485 1400 820 -1200 a. Find the best fit quadratic model for the data listed above. b. Predict the weekly profit if the company charges $22 per unit.

3. Given the data table below answer the questions that follow. Price per unit 5 10 15 20 25 30 weekly profit in thousands -8256 -1035 485 1400 820 -1200 a. Find the best fit quadratic model for the data listed above. b. Predict the weekly profit if the company charges $22 per unit.

Name: 3. Given the data table below answer the questions that follow.Price p
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Description: 3. Given the data table below answer the questions that follow.Price per unit 51015202530weekly profit in thousands-8256-10354851400820-1200a. Find the best fit quadratic model for the data listed above.b. Predict the weekly profit if the company cha

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter4: Polynomial And Rational Functions

Section4.1: Quadratic Functions

Problem 91E

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Alligators Refer to Exercise 93. If an alligator weighs 125 pounds, what is its approximate length? Round to the nearest inch. 93. Alligators The length in inches and weight in pounds of 25 alligators is shown in the table. Find the quadratic function that best fits the data. Round a,b, and c to six decimal places. Use the regression function to estimate the weight of an alligator that is 130 inches long. Round the weight to the nearest pound. Length Weight Length Weight Length Weight 94 130 72 38 90 106 74 51 128 366 89 84 147 640 85 84 68 39 58 28 82 80 76 42 86 80 86 83 114 197 94 110 88 70 90 102 63 33 72 61 78 57 86 90 74 54 69 36 61 44
Alligators The length in inches and weight in pounds of 25 alligators is shown in the table. Find the quadratic function that best fits the data. Round a,b, and c to six decimal places. Use the regression function to estimate the weight of an alligator that is 130 inches long. Round the weight to the nearest pound. Length Weight Length Weight Length Weight 94 130 72 38 90 106 74 51 128 366 89 84 147 640 85 84 68 39 58 28 82 80 76 42 86 80 86 83 114 197 94 110 88 70 90 102 63 33 72 61 78 57 86 90 74 54 69 36 61 44
TEST FOR UNDERSTANDING FOR EXAMPLE 5.16 In the study Economics of Scale in High School Operation by J. Riew, the author studied data from the early 1960s on expenditures for high schools ranging from 150 to 2400 enrollment. The data he observed were similar to those in the table below. n=enrollment 200 600 1000 1400 1800 C=costperstudent,indollars 667.4 545.0 461.0 415.4 408.2 Model these data using a quadratic function. Round regression parameters to four decimal places. According to this model, what enrollment produces the minimum cost per student?
In Exercises 5-8, match the quadratic function with its graph. [ Thegraphsarelabeled(a),(b),(c),and(d). ] f(x)=(x4)2