The total spent on research and development by the federal government in the United States during 2002-2012 can be approximated by S(t) = 3.1 In(t) + 22 billion dollars (2

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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The total spent on research and development by the federal government in the United States during 2002-2012 can be
approximated by
S(t) = 3.1 In(t) + 22 billion dollars
(2 <ts 12),
where t is the year since 2000.t What was the total spent in 2002 (t = 2)? (Round your answer to the nearest whole
number.)
$
billion
How fast was it increasing? (Round your answer to three decimal places.)
$
billion per year
Transcribed Image Text:The total spent on research and development by the federal government in the United States during 2002-2012 can be approximated by S(t) = 3.1 In(t) + 22 billion dollars (2 <ts 12), where t is the year since 2000.t What was the total spent in 2002 (t = 2)? (Round your answer to the nearest whole number.) $ billion How fast was it increasing? (Round your answer to three decimal places.) $ billion per year
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