The function H(x) 15 8 x2 30x 200 models heart rate, H(x),
Chapter 11, Problem 11.1.651(choose chapter or problem)
The function H(x) 15 8 x2 30x 200 models heart rate, H(x), in beats per minute, x minutes after a strenuous workout. a. What is the heart rate immediately following the workout? b. According to the model, during which intervals of time after the strenuous workout does the heart rate exceed 110 beats per minute? For which of these intervals has model breakdown occurred? Which interval provides a more realistic answer? How did you determine this?
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