Application Exercises The maximum heart rate, in beats per minute, that yon should achieve during exercise is 220 minus your age: 220 - a. This algebraic expression gives maximum heart rate in terms of age, a. The following bar graph shows the target heart rate ranges for four types of exercise goals. The lower and upper limits of these ranges are fractions of the maximum heart rate, 220 - a . Exercises 129-130 are based on the information in the graph. If your exercise goal is to improve cardiovascular conditioning, the graph shows the following range for target heart rate, H , in beats per minute: Lower limit of range H = 7 10 ( 220 − a ) Upper limit of range H = 4 5 ( 220 − a ) . a. What is the lower limit of the heart rate range, in beats per minute, for a 20-year-old with this exercise goal? b. What is the upper limit of the heart rate range, in beats per minute, for a 20-year-old with this exercise goal?
Application Exercises The maximum heart rate, in beats per minute, that yon should achieve during exercise is 220 minus your age: 220 - a. This algebraic expression gives maximum heart rate in terms of age, a. The following bar graph shows the target heart rate ranges for four types of exercise goals. The lower and upper limits of these ranges are fractions of the maximum heart rate, 220 - a . Exercises 129-130 are based on the information in the graph. If your exercise goal is to improve cardiovascular conditioning, the graph shows the following range for target heart rate, H , in beats per minute: Lower limit of range H = 7 10 ( 220 − a ) Upper limit of range H = 4 5 ( 220 − a ) . a. What is the lower limit of the heart rate range, in beats per minute, for a 20-year-old with this exercise goal? b. What is the upper limit of the heart rate range, in beats per minute, for a 20-year-old with this exercise goal?
Solution Summary: The author explains that the lower limit of heart rate during exercise for a 20-year-old is 140 beats per minute. The upper limit is 160.
The maximum heart rate, in beats per minute, that yon should achieve during exercise is 220 minus your age:
220 - a.
This algebraic expression gives maximum heart rate in terms of age, a.
The following bar graph shows the target heart rate ranges for four types of exercise goals. The lower and upper limits of these ranges are fractions of the maximum heart rate, 220 - a. Exercises 129-130 are based on the information in the graph.
If your exercise goal is to improve cardiovascular conditioning, the graph shows the following range for target heart rate, H, in beats per minute:
Lower limit of range
H
=
7
10
(
220
−
a
)
Upper limit of range
H
=
4
5
(
220
−
a
)
.
a. What is the lower limit of the heart rate range, in beats per minute, for a 20-year-old with this exercise goal?
b. What is the upper limit of the heart rate range, in beats per minute, for a 20-year-old with this exercise goal?
Please solve the questions
I have attached the data in the screenshot and the codes that can be used for the questions.
Thank you.
The scatterplot shows the relationship between Marvin's age and the time it took him to run a mile.
Running Times
10
12
14 16
18
Age
(years)
Which statement best describes the relationship between Marvin's age and the time it takes him to run a mile?
As Marvin's age increased, the time it took him to run a mile increased.
As Marvin's age increased, the time it took him to run a mile decreased.
As Marvin's age increased, the time it took him to run a mile remains constant.
There is no relationship between Marvin's age and the time it took him to run a mile.
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Time to Run a Mile
(minutes)
College students are graduating with the highest debt burden in history. The bar graph shows the mean, or average, student-loan debt in the United States for five selected graduating years from 2001 through 2013.
Here are two mathematical models for the data shown by the graph. In each formula, D represents mean student-loan debt, in dollars, x years after 2000. The Model 1 is, D = 1188x + 16,218 and the Model 2 is D = 46x2 + 541x + 17,650.
Solve, a. Which model better describes the data for 2001?b. Does the polynomial model of degree 2 underestimate or overestimate the mean student-loan debt for 2013? By how much?
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