Given that vector u has an initial point of (2,-1) and a terminal point of (3,1) , find 2u. O A. (2,8 ) O B. (10,0) O C. (4,2) O D. (2,4 )Given that vector u has an initial point of {2,1) and a terminal point of {3,1} and vector v: (6,?}, find vu . O A. {1,1) O B. {15}. o (3. {43,6} 0 D. {15}. An airplane is flying south going 440 mph when it hits a crosswind going west at 35 mph. What is the resultant velocity? (Round to the nearest mph.) O A. 405 mph southwest O B. 439 mph southwest O C. 441 mph southwest O D. 475 mph southwest