a) Let f(x, y) = x³ + y³ – 3x² – 3y² – 9x. Find and classify all the critical points (whether they are points of local maxima, local minima, saddle points or neither of those. b) Does this function have global maximum and/or minimum on its domain R?? Compute them if it does. c) Do the same for the function f(x,y) = xª + y*. Try to classify even the critical points where the second derivative test does not apply.
a) Let f(x, y) = x³ + y³ – 3x² – 3y² – 9x. Find and classify all the critical points (whether they are points of local maxima, local minima, saddle points or neither of those. b) Does this function have global maximum and/or minimum on its domain R?? Compute them if it does. c) Do the same for the function f(x,y) = xª + y*. Try to classify even the critical points where the second derivative test does not apply.
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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