b) f(x, y)=-2x². + 8x − 3y² + 24y + 7

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 12T
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Do b) 

1. Find the critical points and determine whether minimum or maximum for the
following functions:
a) f(x, y) = 2x² + 2xy + 2y² - 6x
b) f(x, y) = -2x² + 8x − 3y² + 24y + 7
Transcribed Image Text:1. Find the critical points and determine whether minimum or maximum for the following functions: a) f(x, y) = 2x² + 2xy + 2y² - 6x b) f(x, y) = -2x² + 8x − 3y² + 24y + 7
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