3. f,y) — ху? + х}у?, (-1,2) 4. f(x, y) = 2, (4, -3) (4, –3) 5. fa, y) — х? + у-?, (4,1) 6. G(u, w) = sin(uw), (7, 1) 7. F(r,s) = r's-/2 +s-3, (2, 1) 8. 8(., у) — ечу, (2,1) 9. f(x, y) = sech(x – y), (In 4, In 2) 10. f(х, у) 3DIn(4x2 - у?), (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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In Exercises 3-10, firul an equation of the tangent plane at the given point.

3. f,y) — ху? + х}у?, (-1,2)
4. f(x, y) = 2, (4, -3)
(4, –3)
5. fa, y) — х? + у-?, (4,1)
6. G(u, w) = sin(uw), (7, 1)
7. F(r,s) = r's-/2 +s-3, (2, 1)
8. 8(., у) — ечу, (2,1)
9. f(x, y) = sech(x – y), (In 4, In 2)
10. f(х, у) 3DIn(4x2 - у?), (1, 1)
Transcribed Image Text:3. f,y) — ху? + х}у?, (-1,2) 4. f(x, y) = 2, (4, -3) (4, –3) 5. fa, y) — х? + у-?, (4,1) 6. G(u, w) = sin(uw), (7, 1) 7. F(r,s) = r's-/2 +s-3, (2, 1) 8. 8(., у) — ечу, (2,1) 9. f(x, y) = sech(x – y), (In 4, In 2) 10. f(х, у) 3DIn(4x2 - у?), (1, 1)
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