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54. U.S. Citizens 65 Years and Older The number of U.S. citizens aged 65 years and older from 1900 through 2050 is estimated to be growing at the rate of R(t) = 0.063ť² – 0.48t + 3.87 (0

54. U.S. Citizens 65 Years and Older The number of U.S. citizens aged 65 years and older from 1900 through 2050 is estimated to be growing at the rate of R(t) = 0.063ť² – 0.48t + 3.87 (0

College Algebra
College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section6.7: Exponential And Logarithmic Models
Problem 15TI: Cesium-137 has a half-life of about 30 years. If we begin with 200 mg of cesium-137, will it take...
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54. U.S. Citizens 65 Years and Older The number of U.S. citizens aged 65 years and older from 1900 through 2050 is estimated to be growing at the rate of R(t) = 0.063ť² – 0.48t + 3.87 (0 <t < 15) million people/decade, where t is measured in decades, with t = 0 corresponding to 1900. Show that the average rate of growth of the number of U.S. citizens aged 65 years and older between 2000 and 2050 will be about twice the average rate between 1950 and 2000.
Transcribed Image Text:54. U.S. Citizens 65 Years and Older The number of U.S. citizens aged 65 years and older from 1900 through 2050 is estimated to be growing at the rate of R(t) = 0.063ť² – 0.48t + 3.87 (0 <t < 15) million people/decade, where t is measured in decades, with t = 0 corresponding to 1900. Show that the average rate of growth of the number of U.S. citizens aged 65 years and older between 2000 and 2050 will be about twice the average rate between 1950 and 2000.
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