Question:
Consider the closed curve in the xy plane given by x 2x y 4y
Last updated: 3/27/2023
![Consider the closed curve in the xy plane given by x 2x y 4y](https://media.kunduz.com/media/sug-question-candidate/20230327024636443612-5044342.jpg?h=512)
Consider the closed curve in the xy plane given by x 2x y 4y 5 Is it possible for this curve to have a horizontal tangent at points where it intersects the x axis Explain your reasoning