Mathematics, 20.04.2021 00:44 geckos3411
The graph shows the relationship between James's resting heart rate and the number of hours he exercises per day,
90
80
70
60
50
Resting Heart Rate (beats per minute)
40
10
7
8
1
2 3 4 5 6
Exercise (hours per week)
beats per minute. His resting heart rate is about
For every hour of exercise, James's resting heart rate decreases by about
beats per minute when he exercises 4 hours a day.
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Answers: 3
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