Solve the problem.For the space curve x = t, y = t2, z = t , find the points at which the function f(x, y) takes on extreme values if fx = 81, fy =
, and fz = 180t.
A. t = 0
B. t = -18 and t = -20
C. t = -9 and t = -10
D. t = - and t = - 5
Answer: C
Mathematics
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A.
B.
C.
D.
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