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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 vour regression model what is the percent decrease per vear?

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 vour regression model what is the percent decrease per vear?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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. Year 1880 1890 1900 1910 1920 1930 Population 8100 3402 2349 1556 681 312 For the purpose of this problem, let P represent the population of Lehi t years after 1880 (t=0 represents 1880). The new table is: 10 20 30 40 50 P(t) 8100 3402 2349 1556 681 312 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(55). Round your answer to the nearest whole number. P(55) = Interpret your answer by completing the following sentence. Be sure to use units in your answer. %3D "The population of Lehi after 1880 was about How long did it take for the population of Lehi to reach 270 people? Round your answer to the nearest whole number. P(t) = 270 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. P(t) has halved when t = %3D
Transcribed Image Text: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 8100 3402 2349 1556 681 312 For the purpose of this problem, let P represent the population of Lehi t years after 1880 (t=0 represents 1880). The new table is: 10 20 30 40 50 P(t) 8100 3402 2349 1556 681 312 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(55). Round your answer to the nearest whole number. P(55) = Interpret your answer by completing the following sentence. Be sure to use units in your answer. %3D "The population of Lehi after 1880 was about How long did it take for the population of Lehi to reach 270 people? Round your answer to the nearest whole number. P(t) = 270 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. P(t) has halved when t = %3D
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