QUESTION 3 Find a parametrization for the line segment joining the points. (3,-7, 4), (0, -7, 7) Ox=-31+ 3, y=-7t, z = 3t+ 4,0sts 1 Ox=-3t+3, y=-7, z = 3t+ 4,0 st1 Ox=3t, y=-7t, z=-3t+7, 0 st s1 Ox=3t, y=-7, z=-3t+7,0 sts 1 QUESTION 4 Find parametric equations for the line described below. The line through the point P(3, -3, 4) parallel to the vector-71-31-8k Ox-71-3y=31 + 3, z = -81 - 4 Ox=71-3, y=31+ 3, z=-81-4 Ox=-71+ 3, y=31-3, z=-8t+4 Ox=71+3y=31-3, z=-8t+4