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) = 7, u '(2) = 3, v(2) = -2, v '(2) = -5.
(3v - u) at x = 2
A. -12
B. -18
C. 1
D. -13
Answer: B
Mathematics
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Mathematics