Question1: 1. Find the Domain and the range of the function: f(x, y) = /xy| + y2

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.3: Lines
Problem 30E
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Question1:
1. Find the Domain and the range of the function: f(x, y) = /xy| +y2
2. Study the continuity of f(x,y) = In(y- x) on the plane -4<x<-2, 2<y<5
%3D
3. Z = Vuv, u = 3xy+, v= 2x² + e*-y Find Zzy at x = 1, y = 1
Question2:
1. Find the Duf of f(x,y, z) = x/y+z+ sinz on the vector u= 4i+ 8j – k
at Po(1,1,0)
2. Find the extrem and the saddle points (if it exist) of : f(x, y) = xy – xy +3
3. Find the equation of tangent plane of f(x, y) = e*y+3x +4y
at P(0,1)
%3D
Transcribed Image Text:Question1: 1. Find the Domain and the range of the function: f(x, y) = /xy| +y2 2. Study the continuity of f(x,y) = In(y- x) on the plane -4<x<-2, 2<y<5 %3D 3. Z = Vuv, u = 3xy+, v= 2x² + e*-y Find Zzy at x = 1, y = 1 Question2: 1. Find the Duf of f(x,y, z) = x/y+z+ sinz on the vector u= 4i+ 8j – k at Po(1,1,0) 2. Find the extrem and the saddle points (if it exist) of : f(x, y) = xy – xy +3 3. Find the equation of tangent plane of f(x, y) = e*y+3x +4y at P(0,1) %3D
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