Find an equation of the tangent to the curve at the given point. x = tz - 3t, y = tz + 3t + 1; (0, 19) y = Graph the curve and the tangent. 30 30/ 30/ 25- 30 25- 25 201 25 204 20 15 20 15- 10 16 10- 5 10- 5 5/ 3 5 10 15 X 20 25 10 15 X 20 25 10 15 X 20 25 10 15 X 20 25 A