1. Describe in words the object parameterized by r = rcos0, y =rsin0, z=7, 0

1. Describe in words the object parameterized by x = r cosO, y = r sin O, z = 7, 0 5, 2. Describe in words thc object parameterized by < 27. x 5 CIBO, y = 5 sin O, z = 50, 0 27. 3. Parameterize the plane through thc points (1, 2, 3), (2, 5, 8), and (5, 2, 0). 4. Give two nonparallel vectors and the coordinates of a point in the plane with parametric equations x = 2s 31, y = s 5. Are the following two planes parallel? and F2(s, t) (2 s