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U.S. debt For selected years from 1900 to 2014, the national debt d, in billions of dollars, can be modeled by d = 1.60 e 0.083 t where t is the number of years past 1900 (Source: Bureau of Public Debt, U.S. Treasury). What function describes how fast the national debt is changing? Find the instantaneous rate of change of the national debt model d ( t ) in 1950 and 2025.

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Mathematical Applications for the ...

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

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BuyFindarrow_forward

Mathematical Applications for the ...

11th Edition
Ronald J. Harshbarger + 1 other
Publisher: Cengage Learning
ISBN: 9781305108042
Chapter 11.2, Problem 57E
Textbook Problem
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U.S. debt For selected years from 1900 to 2014, the national debt d, in billions of dollars, can be modeled by

d = 1.60 e 0.083 t

where t is the number of years past 1900 (Source: Bureau of Public Debt, U.S. Treasury).

  1. What function describes how fast the national debt is changing?

  2. Find the instantaneous rate of change of the national debt model d ( t ) in 1950 and 2025.

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