29. I must get from A to B across a rectangular manmade pond. The pond is 4 km in width, and 12 km long. | swim at a speed of 3 km/h and have a blazing speed of 9 km/h on land. Determine the location of point C, correct to one decimal place, on the opposite shore from A so that [ can get from A to B as quickly as possible. Set up a function, use Calculus, make a clear final statement. [6 marks] 12 km - 4 km