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Mathematics 14 Online
OpenStudy (anonymous):

Help please !! An athlete finds that, when she jogs at 6 miles per hour, her heart rate is 121 beats per minute. When she sprints at 10 miles per hour, her heart rate is 165 beats per minute. Within certain limitations, the relationship between running speed and heart rate is linear. What is a linear model that gives heart rate as a function of running speed x, measured in miles per hour?

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