The gradient of a function f(x, y, z) = x + y2 - x y z at the point x = y = z = 1 is
A. (0, 2, 1)
B. (0, 0, 0)
C. (1, 1, 1)
D. (0, 1, -1)
Answer:D
The gradient of a function f(x, y, z) = x + y2 - x y z at the point x = y = z = 1 is
A. (0, 2, 1) B. (0, 0, 0) C. (1, 1, 1) D. (0, 1, -1)