Find the extreme values of f subject to both constraints. (If an answer does not exist, enter DNE.) f(x, y, z) = x + 2y;    x + y + z = 5,    y2 + z2 = 4

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter10: Inequalities
Section10.8: Systems Of Linear Inequalities
Problem 2E
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Find the extreme values of f subject to both constraints. (If an answer does not exist, enter DNE.)

f(x, y, z) = x + 2y;    x + y + z = 5,    y2 + z2 = 4
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