AP Calculus Assignments: Derivative Techniques

4. Find the slope of the graph of at the point where y = 0. 5. Find the slope of the graph of at the point . 6. Find an equation of the tangent line to the graph of at the point in the fourth quadrant where x = 2. 7. The graph of is an ellipse. Find the coordinates of the points where the ellipse has horizontal tangent lines. ................
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