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U(t) = 4.6e0.6t 0.4+ e0.6t thousand articles per year (0 ≤ts 20), is time in years (t = 0 represents 1983).+ Use a definite integral to st 1,000 articles.) thousand articles

U(t) = 4.6e0.6t 0.4+ e0.6t thousand articles per year (0 ≤ts 20), is time in years (t = 0 represents 1983).+ Use a definite integral to st 1,000 articles.) thousand articles

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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The number of research articles in the prominent journal Physical Review written by researchers in the United States during 1983-2003 can be approximated by 4.6e0.6t thousand articles per year (0 ≤ t ≤ 20), 0.4 + e⁰.6t U(t) = = = 0 represents 1983).† Use a definite integral to estimate the total number of articles written by researchers in the United States from 1983 to 2002. (Round your answer to the where t is time in years (t nearest 1,000 articles.) thousand articles
Transcribed Image Text:The number of research articles in the prominent journal Physical Review written by researchers in the United States during 1983-2003 can be approximated by 4.6e0.6t thousand articles per year (0 ≤ t ≤ 20), 0.4 + e⁰.6t U(t) = = = 0 represents 1983).† Use a definite integral to estimate the total number of articles written by researchers in the United States from 1983 to 2002. (Round your answer to the where t is time in years (t nearest 1,000 articles.) thousand articles
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