Find the maximum and minimum values of the function f(x, y, z) subject to the constraints z+y-z-2 and 2² +2²=6. A Max 1-19, Mint--1, Min f--6, B. Max-16, C Max f-21, Min f--8, D. Max f-17, Min f--9, Min f--7, E. Maxf-17, F Maxf-20, Min f-4, Min f-4, G. Max f-21, -3z + y + 3z +3

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