In Exercises 47–52, sketch the level curves c = −3, −2, −1, 0,1, 2, 3 if they exist for the specified function. 48. f (x, y) = x2 − y249. f (x, y) = sin(x + y) 50. f (x, y) = cos(xy)51. f (x, y) = y csc x 52. f (x, y) = y sec x
In Exercises 47–52, sketch the level curves c = −3, −2, −1, 0,1, 2, 3 if they exist for the specified function. 48. f (x, y) = x2 − y249. f (x, y) = sin(x + y) 50. f (x, y) = cos(xy)51. f (x, y) = y csc x 52. f (x, y) = y sec x
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 47–52, sketch the level curves c = −3, −2, −1, 0,
1, 2, 3 if they exist for the specified function.
48. f (x, y) = x2 − y2
49. f (x, y) = sin(x + y)
50. f (x, y) = cos(xy)
51. f (x, y) = y csc x
52. f (x, y) = y sec x
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