r 4 1 2. v = (9, 2) is transformed using the transformation matrix A = [ ] 12' What is the resulting vector? Show all your work. 3. Aurora hit a baseball with an initial velocity of 70 feet per second at an angle of 30 with the horizontal. The ball hit her bat when the ball was 3 feet above the ground. (a) No one interferes with the ball. How long does it take the ball to hit the ground? Round your answer to the nearest hundredth of a second. Show all your work. (b) How far did the ball travel horizontally? Use your answer from Part (a) in your calculations. Round your answer to the nearest tenth of a foot. Show all your work