The graph to the right shows the heart rate of a person watching a short romanti
ID: 3113204 • Letter: T
Question
The graph to the right shows the heart rate of a person watching a short romantic film where x represents time in minutes, and y represents heart rate in beats pet minute Answer the following questions. (b) For which time periods was the person's heart rate decreasing? A. from 1 through 1 1 minutes B. from 3 through 9 minutes and from 11 through 15 minutes C. from 3 through 15 minutes D. from 1 through 3 minutes and from 9 through 11 minutes (C) How many tuning point, (from increasing to decrease or from decrease to increasing) occured for the person's heart rate during the 15 minute film?Explanation / Answer
from the graph we clearly observe that
heart rate decreases from 3-9minutes and 11-15 minutes
(option B)
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