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Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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could you answer question 26?
marks Profiles Tab Window Help gods bits of wood paper 5 1 X Sign In 234f8-15e7-4fd7-ad7d-77a24ce5a703/pages/750e4090-b567-11ec-b153-919de23e4996?user Chapter 7: Functions of Several Variables 25. f(x, y)= -5x² + 4xy - 17y² - 6x + 6y + 2 26. f(x, y)= -2x² + 6xy - 17y² - 4x + 6y 27. f(x, y)= 3x² + 8xy - 3y² - 2x + 6y X Find all points (x, y) where f(x, y) has a possible relative maximum or minimum. Then, use the second-derivative test to determine, if possible, the nature of f(x, y) at each of these points. If the second-derivative test is inconclusive, so state. 28. f(x, y)= 8xy + 8y² - 2x - 2y - 1 29. f(x, y)=x²-x² - 2xy + y² + 1 30. f(x, y)= x² + 2xy + 10y² 18 Ex Libris Discovery - african ra x MacBook Air Section 7.3 Exercises tv Preferred Type=read A
Transcribed Image Text:marks Profiles Tab Window Help gods bits of wood paper 5 1 X Sign In 234f8-15e7-4fd7-ad7d-77a24ce5a703/pages/750e4090-b567-11ec-b153-919de23e4996?user Chapter 7: Functions of Several Variables 25. f(x, y)= -5x² + 4xy - 17y² - 6x + 6y + 2 26. f(x, y)= -2x² + 6xy - 17y² - 4x + 6y 27. f(x, y)= 3x² + 8xy - 3y² - 2x + 6y X Find all points (x, y) where f(x, y) has a possible relative maximum or minimum. Then, use the second-derivative test to determine, if possible, the nature of f(x, y) at each of these points. If the second-derivative test is inconclusive, so state. 28. f(x, y)= 8xy + 8y² - 2x - 2y - 1 29. f(x, y)=x²-x² - 2xy + y² + 1 30. f(x, y)= x² + 2xy + 10y² 18 Ex Libris Discovery - african ra x MacBook Air Section 7.3 Exercises tv Preferred Type=read A
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