Find the unit vector u in the direction of v. Vector v has an initial point (0, 9) and a terminal point (-3, 2). O 3 7 U = -58 V - 58 O u = 3 7 /58 V58 O u = 3 7 V58 V58 O u = 3 7 V 58 58 CO O u = 7 V58 V58