Mathematics, 10.02.2021 17:30, hebrew1148
Regular exercise can help a person lower their resting heart rate. Suppose an individual's resting heart rate, in
beats per minute, is modeled by the function f(x) = -0.1x3 + 0.6x2 + 85 after x weeks of regular exercise.
How many weeks of exercise are necessary to lower the individual's resting heart rate below 70 beats per minute?
7 weeks
8 weeks
9 weeks
10 weeks
Answers: 3
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Regular exercise can help a person lower their resting heart rate. Suppose an individual's resting h...
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