3.630 AN(x) 1000- 900- 800- 700- 효 600- 500- arine manufacturer will sell N(x) power boats after spending $x thousand on advertising, as given by N(x) = 980 - 55xS 30. Find N'(x). Find N'(10) and N'(20). Write a brief verbal interpretation of these results. 400- 300- 200- 100- 0- 10 15 20 25 30 35 Thousands of advertising dollars N(x) = O Boats sold

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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3,630
AN(X)
A marine manufacturer will sell N(x) power boats after spending $x thousand on advertising, as given by N(x) = 980
5<x<30.
1000-
900+
800-
700+
%3D
(A) Find N'(x).
(B) Find N'(10) and N'(20). Write a brief verbal interpretation of these results.
600-
500-
400-
300-
200-
100+
0+
05 10 15 20 25 30 35
Thousands of advertising dollars
.....
(A) N'(x) =
Boats sold
of
Transcribed Image Text:3,630 AN(X) A marine manufacturer will sell N(x) power boats after spending $x thousand on advertising, as given by N(x) = 980 5<x<30. 1000- 900+ 800- 700+ %3D (A) Find N'(x). (B) Find N'(10) and N'(20). Write a brief verbal interpretation of these results. 600- 500- 400- 300- 200- 100+ 0+ 05 10 15 20 25 30 35 Thousands of advertising dollars ..... (A) N'(x) = Boats sold of
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