14+ 12 10 8 4 6. 12 15 18 21 24 27 -2- -4 -6- The revenue R(t) in thousands of dollars for a hardware store shown above has the following quartic model. R(t) = 0.00131t – 0.075t° + 1.386ť² – 8.822t + 14 where t is he number of years after 1985 nterpret R( 19) = 3.02 O The revenue in 2004 was $3.02. O The revenue in 2004 was $3.02 thousand. O The revenue in 2004 was 3.02 thousand terpret R' (19) =- 1.44 O The revenue in 2004 was decreasing by 1.44. O The revenue in 2004 was decreasing by 1.44 thousand per year. O The revenue in 2004 was neither increasing nor decreasing. O The revenue in 2004 was increasing by 1.44. O The revenue in 2004 was decreasing by $1.44 thousand per year. 2.
14+ 12 10 8 4 6. 12 15 18 21 24 27 -2- -4 -6- The revenue R(t) in thousands of dollars for a hardware store shown above has the following quartic model. R(t) = 0.00131t – 0.075t° + 1.386ť² – 8.822t + 14 where t is he number of years after 1985 nterpret R( 19) = 3.02 O The revenue in 2004 was $3.02. O The revenue in 2004 was $3.02 thousand. O The revenue in 2004 was 3.02 thousand terpret R' (19) =- 1.44 O The revenue in 2004 was decreasing by 1.44. O The revenue in 2004 was decreasing by 1.44 thousand per year. O The revenue in 2004 was neither increasing nor decreasing. O The revenue in 2004 was increasing by 1.44. O The revenue in 2004 was decreasing by $1.44 thousand per year. 2.
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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Question
Plz look at pic and explain clearly . Thanks
Transcribed Image Text:14+
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10
8.
6.
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-4-
-6
The revenue R(t) in thousands of dollars for a hardware store shown
above has the following quartic model.
R(t) = 0.00131t - 0.075t + 1.386t?
the number of years after 1985
Interpret R( 19) = 3.02
8.822t + 14 where t is
%3D
O The revenue in 2004 was $3.02.
O The revenue in 2004 was $3.02 thousand.
O The revenue in 2004 was 3.02 thousand
Interpret R' (19)
1.44
O The revenue in 2004 was decreasing by 1.44.
O The revenue in 2004 was decreasing by 1.44 thousand per year.
O The revenue in 2004 was neither increasing nor decreasing.
O The revenue in 2004 was increasing by 1.44.
O The revenue in 2004 was decreasing by $1.44 thousand per
year.
O The revenue in 2004 was increasing by 1.44 thousand per year.
O The revenue in 2004 was increasing by $1.44 thousand per year.
2.
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