Find af ?х af ду af дz af af 7 Әх ду ах af = = ду af = af дz f(x, y, z) = 3xy + 3xz - 3yz Find their values at (0, -1, 1) if possible. (If an answer is undefined, enter UNDEFINED.) af and -(0, -1, 1) = -(0, -1, 1) = 00

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A: Given system of equations0=−2∑i=1nXi1(yi−(β1Xi1+β2Xi2))0=−2∑i=1nXi2(yi−(β1Xi1+β2Xi2))Which can be…

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Q: Find an equation of the line passing through the given points. (1, 1), (8, - 2) y=--

A: The line passing through the points (1,1) , 8,-34

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Q: Find all points where fex)= |21x-131 fails be be differenbiadle

A: Given:- f(x) = |21x-13| To find:- All points where function non differentiable