Question: = ? ? ? ? Find and ay? fx, y) = xy-x ? ax 2 ? ay? ? ? Evaluate them all at (1,

= ? ? ? ? Find and " ay? fx, y) = xy-x ? ax 2 ? ay? ? ? Evaluate them all at (1, -1) if possible. (If an answer is undefined, enter UNDEFINED.) ? (1, -1) = 2 at 2 (1, -1) = ay? ? |(1, -1) = a2f (1, -1) = Need Help? Read it MY NOTES ASK YOUR TEACHER and - ? ? ? ? Find x2' ?" f(x, y) = x+y - x ? 2 2f ? a2f ? Evaluate them all at (1, -1) if possible. (If an answer is undefin 2 ? 2(1, -1) = a2f 6(1, -1) 2 ? (1, -1) = ? -(1,1) Need Help? Read It

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The leadership was only formally elected by the membership, and was often an appointed member of the bureaucracy, which in turn was dependent on upper levels of the bureaucracy.

it not being an object for purchase or sale, lease, gift or inheritance; and

property rights of control over the activity of the enterprise being exercised by the state bureaucracy, normally directly by the lower levels of the hierarchical bureaucracy.