Let f(x, y) = 3x + 2y 10, in its domain a) f has a local minimum. b) f is a bounded function. c) f has a local maximum. d) f has one critical point. e) If T(x, y) represents the expression of the tangent plane at the point (1, 1, f(1, 1)), then T(x, y) = f(x,y) for all (x, y).

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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Which one is true and why? Why the other answers are false?

Let f(x, y) = 3x + 2y - 10, in its domain
a) f has a local minimum.
b) f is a bounded function.
c) f has a local maximum.
d) f has one critical point.
e) If T(x, y) represents the expression of the tangent plane at the point (1, 1, ƒ(1,1)), then
T(x, y) = f(x, y) for all (x, y).
Transcribed Image Text:Let f(x, y) = 3x + 2y - 10, in its domain a) f has a local minimum. b) f is a bounded function. c) f has a local maximum. d) f has one critical point. e) If T(x, y) represents the expression of the tangent plane at the point (1, 1, ƒ(1,1)), then T(x, y) = f(x, y) for all (x, y).
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