f (x, y, z) = x2 + xyz + zFind: fx at (1, 1, 1)

1.	f (x, y, z) = x2 + xyz + zFind: fx at (1, 1, 1)
A.	0
B.	3
C.	1
D.	-1
Answer» C. 1

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f (x, y, z) = x2 + xyz + zFind: fx at (1, 1, 1)

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