A pair of parametric equations is given. 2 x=3t+1, y = (++) (a) Sketch the curve represented by the parametric equations. 20 -20 20 -10 -10 10 10 -20 20 10 10 y X 10 20 20 10 x 10 20 20 -10 20 10 -10 -20 20 10 -10 y x 10 20 10 20 -20 -20 (b) Find a rectangular-coordinate equation for the curve by eliminating the parameter.