Determine the Points Where the Parametric Curve X =

Multiple Choice

Determine the points where the parametric curve x = - 3t, y = - 12t have horizontal and vertical tangents.

A) horizontal tangents at (2, 11) , (-2, -11) and vertical tangents at (2, -16) , (-2, 16)
B) horizontal tangent at (0, 0)
C) vertical tangent at (0, 0)
D) horizontal tangents at (2, -16) , (-2, 16) and vertical tangents at (2, 11) , (-2, -11)
E) no horizontal or vertical tangents