The maximum heart rate, in beats per minute, that you should achieve during exercise is 220 minus your age, 220-a. Your exercise goal is to improve cardiovasoular conditioning. Use the following formulas to answer parts (a) and (b). 7 He 10 (220 -a) Lower limit of range Upper limit of range 4. H(220 -a) a. What is the lower limit of the heart range, in beats per minute, for a 23-year-old with this exercise goal? The lower limit of the heart range is beats per minute. (Round to the nearest integer as needed.)

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Limits

When it comes to calculus, limits are considered to be a very important topic of discussion. The main importance of limit lies in expressing the value of a function as it gets closer to a certain value. Also, limits can help you to understand other topics, such as continuity and differentiability better. In a broader sense, every calculus notion is a limit. Other branches of calculus have also been derived from limits.