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Answer:
see attached
Step-by-step explanation:
Starting 3 feet from the motion detector, you will be at the point (0, 3) on the graph.
A normal walking speed is about 3 mph, or about 4.4 feet per second. So, walking slowly may be something less than 2 feet per second. In the attached graph, we show a walking speed of about 4 feet in 10 seconds, a really slow speed. Since you're walking away, the distance is increasing with time.
