A pair of parametric equations is given. x = t2, y = t – 3, 3sts 6 (a) Sketch the curve represented by the parametric equations. Use arrows to indicate the direction of the curve as t increases. y y 3- 3- 2 2 1 1 - 30 - 20 -10 10 20 30 - 30 - 20 -10 10 20 –1F -1F y y 3 3- 2 2 1 - 30 - 20 -10 10 20 30 - 30 - 20 -10 10 20 3 -1F -1F (b) Find a rectangular-coordinate equation for the curve by eliminating the parameter. where

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A: This question can be solved using the concept of trigonometric identities.

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