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(1) 2, u'(1)=-6, v(1)=6, v'(1)=-2 d dx 20- at x=1 OA. OB. OC. -8 OD. 10 11 88 9 16 139

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