Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(2) = 9, u '(2) = 2, v(2) = -1, v '(2) = -4.
(3v - u) at x = 2
A. 6
B. -12
C. -10
D. -14
Answer: D
Mathematics
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