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The national debt of a South American country t years from now is predicted to be D(t) = 85 + 9t4/3 billion dollars.  Find D'(8)   D'(8) = _______   Interpret your answer. The national debt is ________     by  billion dollars per year after 8 years. a) Increasing  b) decreasing  Find  D''(8).   D''(8) = _______ Interpret your answer. The rate of growth of the national debt is  _______ by  billion dollars per year each year after 8 years. a) Increasing  b) decreasing

The national debt of a South American country t years from now is predicted to be D(t) = 85 + 9t4/3 billion dollars.  Find D'(8)   D'(8) = _______   Interpret your answer. The national debt is ________     by  billion dollars per year after 8 years. a) Increasing  b) decreasing  Find  D''(8).   D''(8) = _______ Interpret your answer. The rate of growth of the national debt is  _______ by  billion dollars per year each year after 8 years. a) Increasing  b) decreasing

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.3: Zeros Of Polynomials
Problem 63E
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The national debt of a South American country t years from now is predicted to be D(t) = 85 + 9t4/3 billion dollars. 

Find D'(8)
 
D'(8) = _______
 
Interpret your answer.
The national debt is ________     by  billion dollars per year after 8 years.
a) Increasing 
b) decreasing 


Find 

D''(8).

 

D''(8) = _______



Interpret your answer.

The rate of growth of the national debt is  _______ by  billion dollars per year each year after 8 years.
a) Increasing 
b) decreasing 
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