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The table below shows the population of a fictional California Gold Rush Town named Lehi in the years after its peak population in 1880. 1880 1890 1900 1349 Year 1910 1920 204 1930 Population 8900 2703 646 67 For the purpose of this problem, let P represent the population of Lehit years after 1880 (t=0 represents 1880). The new table is: 10 2703 20 1349 30 646 40 50 P(t) 8900 204 67 Use your calculator to determine the exponential regression equation that models the set of data above. Round the "a" value to two decimals, and round the "b" value to two decimals. Use the indicated variables and proper function notation. P(t): %3D Based on the your regression model, what is the percent decrease per year?

The table below shows the population of a fictional California Gold Rush Town named Lehi in the years after its peak population in 1880. 1880 1890 1900 1349 Year 1910 1920 204 1930 Population 8900 2703 646 67 For the purpose of this problem, let P represent the population of Lehit years after 1880 (t=0 represents 1880). The new table is: 10 2703 20 1349 30 646 40 50 P(t) 8900 204 67 Use your calculator to determine the exponential regression equation that models the set of data above. Round the "a" value to two decimals, and round the "b" value to two decimals. Use the indicated variables and proper function notation. P(t): %3D Based on the your regression model, what is the percent decrease per year?

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 2ECP
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-> A moer.maricopa.edu/assess2/?cid%3D12438&aid%3D910946#/skip/1 Exponential Regression The table below shows the population of a fictional California Gold Rush Town named Lehi in the years after its peak population in 1880. Year 1880 1890 1900 1910 1920 1930 Population 8900 2703 1349 646 204 67 For the purpose of this problem, let P represent the population of Lehit years after 1880 (t=0 represents 1880). The new table is: 10 20 30 646 40 50 P(t) 8900 2703 1349 204 67 Use your calculator to determine the exponential regression equation that models the set of data above. Round the "a" value to two decimals, and round the "b" value to two decimals. Use the indicated variables and proper function notation. P(t) = Based on the your regression model, what is the percent decrease per year? Find P(35). Round your answer to the nearest whole number. P(35) = Interpret your answer by completing the following sentence. Be sure to use units in your answer. "The population of Lehi after 1880 was about How long did it take for the population of Lehi to reach 380 people? Round your answer to the nearest whole number. P(t) = 380 when t = Interpret your answer by completing the following sentence. Be sure to use units in your answer. In after 1880, the population of Lehi was about How long did it take for the population of Lehi to drop by half? Round your answer to the nearest whole number. Use the initial population in the model (not the initial value in the table). P(t) has halved when t = Interpret your answer by completing the following sentence. Be sure to use units in your answer. In after 1880, the population of Lehi had dropped by about half. JAN 18
Transcribed Image Text:-> A moer.maricopa.edu/assess2/?cid%3D12438&aid%3D910946#/skip/1 Exponential Regression The table below shows the population of a fictional California Gold Rush Town named Lehi in the years after its peak population in 1880. Year 1880 1890 1900 1910 1920 1930 Population 8900 2703 1349 646 204 67 For the purpose of this problem, let P represent the population of Lehit years after 1880 (t=0 represents 1880). The new table is: 10 20 30 646 40 50 P(t) 8900 2703 1349 204 67 Use your calculator to determine the exponential regression equation that models the set of data above. Round the "a" value to two decimals, and round the "b" value to two decimals. Use the indicated variables and proper function notation. P(t) = Based on the your regression model, what is the percent decrease per year? Find P(35). Round your answer to the nearest whole number. P(35) = Interpret your answer by completing the following sentence. Be sure to use units in your answer. "The population of Lehi after 1880 was about How long did it take for the population of Lehi to reach 380 people? Round your answer to the nearest whole number. P(t) = 380 when t = Interpret your answer by completing the following sentence. Be sure to use units in your answer. In after 1880, the population of Lehi was about How long did it take for the population of Lehi to drop by half? Round your answer to the nearest whole number. Use the initial population in the model (not the initial value in the table). P(t) has halved when t = Interpret your answer by completing the following sentence. Be sure to use units in your answer. In after 1880, the population of Lehi had dropped by about half. JAN 18
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