If f(xr, y) = x² + 2y², use the gradient vector Vf(5, 3) to find the tangent line to the level curve f(x, y) = 43 a the point (5, 3). 1. 10x + 12y = 43 2. 2x + 4y = 43 3. 5x – 6y = 43 4. 10x – 12y= 43

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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If
f (x, y) = x² + 2y²,
use the gradient vector Vf(5, 3) to find the
tangent line to the level curve f(x, y) = 43 at
the point (5, 3).
1. 10x + 12Y = 43
2. 2x + 4y = 43
3. 5x – 6y = 43
4. 10x – 12y= 43
-
5. 5x + 6y = 43
%3D
Transcribed Image Text:If f (x, y) = x² + 2y², use the gradient vector Vf(5, 3) to find the tangent line to the level curve f(x, y) = 43 at the point (5, 3). 1. 10x + 12Y = 43 2. 2x + 4y = 43 3. 5x – 6y = 43 4. 10x – 12y= 43 - 5. 5x + 6y = 43 %3D
Which one of the following properties does
the function
f (x, y) = x³ + xy² – 4x – 2y + 21
have?
1. saddle point at (-1, 1)
2. local max value 17 at (1, 1)
3. local max value 17 at (-1,1)
4. local min value 17 at (-1,1)
5. local min value 17 at (1, 1)
6. saddle point at (1, 1)
Transcribed Image Text:Which one of the following properties does the function f (x, y) = x³ + xy² – 4x – 2y + 21 have? 1. saddle point at (-1, 1) 2. local max value 17 at (1, 1) 3. local max value 17 at (-1,1) 4. local min value 17 at (-1,1) 5. local min value 17 at (1, 1) 6. saddle point at (1, 1)
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