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Modeling Social Security beneficiaries The numbers of millions of Social Security beneficiaries for selected years and projected into the future are given in the table. Find the cubic function that models these data, with x equal to the number of years past 1950. Report the model with three significant digits. Find the point of inflection of the graph of the reported model for x > 0 . Graph this function and discuss what the point of inflection indicates.

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Mathematical Applications for the ...

11th Edition
Ronald J. Harshbarger + 1 other
Publisher: Cengage Learning
ISBN: 9781305108042

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Section
BuyFindarrow_forward

Mathematical Applications for the ...

11th Edition
Ronald J. Harshbarger + 1 other
Publisher: Cengage Learning
ISBN: 9781305108042
Chapter 10.3, Problem 45E
Textbook Problem
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Modeling Social Security beneficiaries The numbers of millions of Social Security beneficiaries for selected years and projected into the future are given in the table.

  1. Find the cubic function that models these data, with x equal to the number of years past 1950. Report the model with three significant digits.

  2. Find the point of inflection of the graph of the reported model for x > 0 .

  3. Graph this function and discuss what the point of inflection indicates.

    Chapter 10.3, Problem 45E, Modeling Social Security beneficiaries The numbers of millions of Social Security beneficiaries for

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