... .............................................................. ***....................... *................................................................................................. ............. With data from the Social Security Trustees Report for selected years from 1950 and projected to 2030, the number of Social Security beneficiaries (in millions) can be modeled by B(t) = 0.00024t3 – 0.026t2 + 1.6t + 2.2 where t is the number of years past 1950. Use the model to find the average number of Social Security beneficiaries per year (actual and predicted) between the following years. (Round your answers to three decimal places.) (a) 1984 and 2009 45.869 x million per year (b) 2013 and 2020 65.641 x million per year
... .............................................................. ***....................... *................................................................................................. ............. With data from the Social Security Trustees Report for selected years from 1950 and projected to 2030, the number of Social Security beneficiaries (in millions) can be modeled by B(t) = 0.00024t3 – 0.026t2 + 1.6t + 2.2 where t is the number of years past 1950. Use the model to find the average number of Social Security beneficiaries per year (actual and predicted) between the following years. (Round your answers to three decimal places.) (a) 1984 and 2009 45.869 x million per year (b) 2013 and 2020 65.641 x million per year
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter7: Exponents And Exponential Functions
Section7.9: Geometric Sequences As Exponential Functions
Problem 49PFA
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Transcribed Image Text:With data from the Social Security Trustees Report for selected years from 1950 and projected to 2030, the number of Social Security beneficiaries (in millions) can be
modeled by
B(t) = 0.00024t3 – 0.026t2 + 1.6t + 2.2
where t is the number of years past 1950. Use the model to find the average number of Social Security beneficiaries per year (actual and predicted) between the following
years. (Round your answers to three decimal places.)
(а)
1984 and 2009
45.869
million per year
(b)
2013 and 2020
65.641
X million per year
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