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(a) A sight-seeing ship is stopped in the water for an hour, miles from the shore. Then the captain heads...

(a) A sight-seeing ship is stopped in the water for an hour, miles from the shore. Then the captain heads the ship back to the shore at a constant rate. The ship docks at shore for awhile, then returns to the open sea.
Choose the best graph.
Graph 1 Graph 2 Graph 3 Graph 4
(b) Josh begins his jogging workout by running faster and faster for about a minute. Once he hits a comfortable pace, he runs at that pace for several minutes. Then he gradually slows down to a stop over the next few minutes.
Choose the best graph.
Graph 1 Graph 2 Graph 3 Graph 4

Answer

  1. (a) The best graph for the ship scenario is Graph 3. This graph should show a decrease in distance to shore, a period of constant distance (docked), and then an increase in distance as the ship returns to sea.

  2. (b) The best graph for Josh's jogging workout is Graph 2. This graph should show an increase in speed, a period of constant speed, and then a decrease in speed to a stop.

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