Find the Points at Which the Graph of the Equation

question 154

Multiple Choice

Find the points at which the graph of the equation has a vertical or horizontal tangent line. ​ ​

• A) There is a vertical tangent at but no horizontal tangents.
• B) There is a horizontal tangent at and a vertical tangent at .
• C) There is a horizontal tangent at but no vertical tangents.
• D) There is a horizontal tangent at and a vertical tangent at .
• E) There are no horizontal or vertical tangent lines.

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