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QUESTION 20 The media team in DAMAC reported that it will sell N(x) units of apartments in a high rise building if it spends x (in thousands of dirhams) on advertisments according to N(X) = – 0.02x³ +3x²+ 4x + 15 At what value of x DAMAC should stop spending more on the advertisment? O x=49 x-5215 x=50

QUESTION 20 The media team in DAMAC reported that it will sell N(x) units of apartments in a high rise building if it spends x (in thousands of dirhams) on advertisments according to N(X) = – 0.02x³ +3x²+ 4x + 15 At what value of x DAMAC should stop spending more on the advertisment? O x=49 x-5215 x=50

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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QUESTION 20 The media team in DAMAC reported that it will sell N(x) units of apartments in a high rise building if it spends x (in thousands of dirhams) on advertisments according to N(X) = – 0.02x³ +3x²+ 4x + 15 At what value of x DAMAC should stop spending more on the advertisment? O x=49 x-5215 x=50
Transcribed Image Text:QUESTION 20 The media team in DAMAC reported that it will sell N(x) units of apartments in a high rise building if it spends x (in thousands of dirhams) on advertisments according to N(X) = – 0.02x³ +3x²+ 4x + 15 At what value of x DAMAC should stop spending more on the advertisment? O x=49 x-5215 x=50
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