Consider the finction f(x, y) = 6y² + 4x² – 12xy- 4y. Then: (1,1) is a critical point and f has a local maximum at (1,1)

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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O 1/450ST/2
O Os0<T/2
Consider the function f(x, y) = 6y² + 4x² – 12xy – 4y. Then:
%3D
(1,1) is a critical point and f has a local maximum at (1,1)
None of these
(-1,-2/3) is a critical point and fhas a local minimum at (1,2/3)
O (12/3) is a critical point and f has a saddle point at (-1,-2/3)
Transcribed Image Text:O 1/450ST/2 O Os0<T/2 Consider the function f(x, y) = 6y² + 4x² – 12xy – 4y. Then: %3D (1,1) is a critical point and f has a local maximum at (1,1) None of these (-1,-2/3) is a critical point and fhas a local minimum at (1,2/3) O (12/3) is a critical point and f has a saddle point at (-1,-2/3)
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