A pair of parametric equations is given. x = 4t, y = t+ 5 (a) Sketch the curve represented by the parametric equations. Use arrows to indicate the direction of the curve as t increases. 4 10 10- 5/ 10 - 5 5 10 -10 -5 5 10 -5 - 10 -10 O 10 10 UX -10 - 5 5 10 -10 -5 5 10 -5 - 10 -10 (b) Find a rectangular-coordinate equation for the curve by eliminating the parameter