. Sketch the level curves of the function f(x, y) = x² + 2x + y² – 6y corresponding to the z-values –9 and 15.

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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2. Sketch the level curves of the function
f(x, y) = x? + 2x + y? – 6y
corresponding to the z-values -9 and 15.
Transcribed Image Text:2. Sketch the level curves of the function f(x, y) = x? + 2x + y? – 6y corresponding to the z-values -9 and 15.
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