Suppose a person walks due east from point A for 10 seconds, then stops for 10 seconds and finally turns around and walks back to point A during the next 10 seconds. Which of the following graphs represent the distance of the person from point A as a function of time measured in seconds? The horizontal range is from 0 to 30 in each of the following graphs.

Question

kj4uts · Answer

attachment

kj4uts · Answer

I think the answer is the first graph, I would eliminate the second graph because it keeps going upwards and does not return but I am not sure if the other ones may be better?