Determine the convexity/concavity property of the following: (ii) f (x, y) = 2x² – y?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter10: Analytic Geometry
Section10.6: The Three-dimensional Coordinate System
Problem 41E: Does the sphere x2+y2+z2=100 have symmetry with respect to the a x-axis? b xy-plane?
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Determine the convexity/concavity property of the following:
(ii) f (x, y) = 2x² – y2
Transcribed Image Text:Determine the convexity/concavity property of the following: (ii) f (x, y) = 2x² – y2
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