C. Show that there are no points (x, y) on the curve where the line tangent to the curve is horizontal %3D D. Let x and y be functions of time t that are related by the equation y = 4xy +1. At dx at time t=6 dt dy time t=6, y=2 and = 7. Find dt 3. Consider the curve given by y2 = 4xy +1. %3D dy A. Find dx B. Find all points on the curve where the tangent line to the curve has slope 2.

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