QUIZ 4.1

1. Under the mapping w = iz + 2 the point 1 + i is left invariant.
(a) True   (b) False   .

2. Under w = iz + 2, (2, 0) is a vertex of the image of the square 0 x, y 1.
(a) True   (b) False   .

3. The mapping w = z2 with domain {z | z = r cis , -/4 < < 0} is 1-1.
(a) True   (b) False   .

4. The mapping w = z2 maps the second quadrant /2 &Mac178; &Mac178; to a halfplane.
(a) True   (b) False   .

Notes