Let R = T(S) be the image of the rectangle S = {(u, v): 1 lessthanorequalto u lessthanorequalto 4,2 lessthanorequalto v lessthanorequalto 6} under the Transformation T: x = u/v, y = v; then R is  Bounded by two pairs of parallel lines.  Bounded by a pair of parallel lines and a pair of hyperbolas  Bounded by a pair of parallel lines and a pair of parabolas  Bounded by two pairs of parabolas
bounded by a pair of two parallel lines