The number of research articles in a prominent journal written by researchers during 1983-2003 can be approximated by 4.4e0.6t thousand articles per year (0 st≤ 20), 0.2 + 0.6t U(t) = where t is time in years (t = 0 represents 1983). (a) Find an (approximate) expression for the total number of articles (in thousands) written since 1983 (t = 0). (Round your coefficients to two decimal places.) N(t) = (b) Roughly how many articles were written from 1983 to 2003? (Round your answer to the nearest whole number.) thousand articles Submit Answer
The number of research articles in a prominent journal written by researchers during 1983-2003 can be approximated by 4.4e0.6t thousand articles per year (0 st≤ 20), 0.2 + 0.6t U(t) = where t is time in years (t = 0 represents 1983). (a) Find an (approximate) expression for the total number of articles (in thousands) written since 1983 (t = 0). (Round your coefficients to two decimal places.) N(t) = (b) Roughly how many articles were written from 1983 to 2003? (Round your answer to the nearest whole number.) thousand articles Submit Answer
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 a prominent journal written by researchers during 1983-2003 can be approximated by
4.4e0.6t
0.2 + e0.6t
U(t):
N(t) =
where t is time in years (t = 0 represents 1983).
(a) Find an (approximate) expression for the total number of articles (in thousands) written since 1983 (t = 0). (Round your coefficients to two decimal places.)
=
=
thousand articles per year (0 ≤ t ≤ 20),
Submit Answer
(b) Roughly how many articles were written from 1983 to 2003? (Round your answer to the nearest whole number.)
thousand articles](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2e5caa4f-70a5-4e9b-9cd4-231b34f6cd3f%2F72f01f62-7429-4bef-bc2c-8d56bf555884%2Fxa9vz2_processed.png&w=3840&q=75)
Transcribed Image Text:The number of research articles in a prominent journal written by researchers during 1983-2003 can be approximated by
4.4e0.6t
0.2 + e0.6t
U(t):
N(t) =
where t is time in years (t = 0 represents 1983).
(a) Find an (approximate) expression for the total number of articles (in thousands) written since 1983 (t = 0). (Round your coefficients to two decimal places.)
=
=
thousand articles per year (0 ≤ t ≤ 20),
Submit Answer
(b) Roughly how many articles were written from 1983 to 2003? (Round your answer to the nearest whole number.)
thousand articles
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