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13) Let y= 2x-4x 1/2. Find the equation of the tangent line to the graph at x = 4. 14) Let f (x) = sin?
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13) Let y= 2x-4x 1/2. Find the equation of the tangent line to the graph at x = 4.14) Let f (x) = sin? (3x) . Find f' (x)