Question: I need the step Thinking (11 marks) 9. The graph below represents the heart rate, in beats per minute (bpm) of a runner t minutes

I need the step

I need the step Thinking (11 marks) 9. The graph below represents

Thinking (11 marks) 9. The graph below represents the heart rate, in beats per minute (bpm) of a runner t minutes after finishing a race. Heart Rate Recovery 200 -180 -150 Heart Rate (bpm) Time (minutes) a) Use a secant line to calculate the average rate of change of heart rate from t = 0 to t = 10 minutes. NI b) Use a tangent line to calculate the instantaneous rate of change of heart rate at t = 7 minutes NI

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