Question: 12. At a certain time, one ship is 12 nautical miles east of a port and heading towards the port at speed 8 knots (nautical

12. At a certain time, one ship is 12 nautical miles east of a port and heading towards the port at speed 8 knots (nautical miles per hour), while another ship which left the port traveling north is 5 nautical miles away from the port and has speed 14 knots. Find the rate (knots) that the distance D between these two ships is changing at this time. Is the distance increasing or decreasing

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