American newspaper circulation enjoyed continuous growth until the 1970's where it roughly leveled off thenbegan a steady decline in the 1990's, presumably due to the internet.Circulation (x1000)706050400y =American Newspaper Circulation10203040YearA5060Preview↓7080Year194019451950195519601965197019751980198519901995200020052011Circulation(1000s)a. Consider 1940 to be year 0 and use regression to find a quadratic equation to model the data. Round thenumbers in your equation to 3 decimal places.41.13248.38453.82956.14758.88260.35862.10860.65562.20262.76662.32858.19355.77353.34544.421 010203040Year5060708019631990199520002005201162.32858.19355.77353.34544.421a. Consider 1940 to be year 0 and use regression to find a quadratic equation to model the data. Round thenumbers in your equation to 3 decimal places.y =Previewb. It is clear in the table that circulation was at 50 (thousand) between 1945 and 1950, then again between 2005and 2011. Use your equation to find the years, accurate to 1 decimal place. Separate your answers with acomma.c. Use your equation to predict the year the circulation will drop to 25 (thousand), accurate to 1 decimal place.

Answered: Image /qna-images/answer/c818d95c-46a5-4a04-9008-b37024bae2a3.jpg

0 10 20 30 40 Year 50 60 70 80 1963 1990 1995 2000 2005 2011 62.328 58.193 55.773 53.345 44.421 a. Consider 1940 to be year 0 and use regression to find a quadratic equation to model the data. Round the numbers in your equation to 3 decimal places. y = Preview b. It is clear in the table that circulation was at 50 (thousand) between 1945 and 1950, then again between 2005 and 2011. Use your equation to find the years, accurate to 1 decimal place. Separate your answers with a comma. c. Use your equation to predict the year the circulation will drop to 25 (thousand), accurate to 1 decimal place.

0 10 20 30 40 Year 50 60 70 80 1963 1990 1995 2000 2005 2011 62.328 58.193 55.773 53.345 44.421 a. Consider 1940 to be year 0 and use regression to find a quadratic equation to model the data. Round the numbers in your equation to 3 decimal places. y = Preview b. It is clear in the table that circulation was at 50 (thousand) between 1945 and 1950, then again between 2005 and 2011. Use your equation to find the years, accurate to 1 decimal place. Separate your answers with a comma. c. Use your equation to predict the year the circulation will drop to 25 (thousand), accurate to 1 decimal place.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section: Chapter Questions

Problem 2SGR

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