A 1. f(x, y) = 1/(1 + x² + y²) 2. f(x, y) = (x² - y²)² 3. f(x, y) = (x - y)² 4. f(x, y) = 3-x² - y2² B с D
A 1. f(x, y) = 1/(1 + x² + y²) 2. f(x, y) = (x² - y²)² 3. f(x, y) = (x - y)² 4. f(x, y) = 3-x² - y2² B с D
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Match the functions with the graphs labeled A - D. As always, you may click on the thumbnail image to produce a larger image in a new window (sometimes exactly on top of the old one). Just take your time; process of elimination will help with ones that are not obvious.
A
1. f(x, y) = 1/(1 + x² + y²)
2. f(x, y) = (x² - y²)²
3. f(x, y) = (x − y)²
4. f(x, y) = 3 - x² – 1²
B
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