Find the points on the curve where the tangent is horizontal or vertical. If you have a graphing device, graph the curve to check your work.

a. x = t3 - 3t

b. y = t2 - 3

Find the points on the curve where the tangent is horizontal or vertical. If you have a graphing device, graph the curve to check your work.

a. x = t3 - 3t

b. y = t2 - 3