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Question 3) [9 points- NO CALCULATOR] Consider the equation y2 - 2xy = -5. (a) Find the equation of the tangent line to the graph of the equation y2 - 2xy = -5 at x = 3 and y = 5. dy = dx Tangent line: (b) When does y' - 2xy = -5 have a horizontal slope? (b ) _ (c) When does y' - 2xy = -5 have a Vertical slope