1. What quadric surface S is described by z = va2 + y2, 0

-hy2, 0 < z < 27 Find a parametrization F(u, v) of S. Make sure to specify the domains of u and t'. 1. What quadric surface S is described by z 2. What surface S is described by 4- z2 1, 4 < y < 4? Find a parametrization F(u, u) of S. Make sure to specify the domains ofu and v. 3 Match the functions below with their graphs and contour map: 2 2 x2-y2 (b) z x3 3xy2 (c) g@, y) = sin2@) + y2/4