# algebra

Heart Rate An athlete starts running and continues
for 10 seconds. The polynomial calculates
the heart rate of the athlete in beats per minute
t seconds after beginning the run, where .
(a) What is the athlete’s heart rate when the athlete
first starts to run?
(b) What is the athlete’s heart rate after 10 seconds?
(c) What happens to the athlete’s heart rate while the athlete is running?

1. 👍
2. 👎
3. 👁
1. What is the polynomial?

c. It increases.

1. 👍
2. 👎

## Similar Questions

1. ### Math

During exercise, the recommended maximum heart rate in beats per minute is modeled by the formula M=176-0.8A, where M is the maximum heart rate and A is the person’s age. Approximately, at what age would you have a recommended

2. ### math

When a grizzly bear hibernates, its heart rate drops to 101010 beats per minute, which is 20\%20%20, percent of its normal value. What is a grizzly bear's normal heart rate when not hibernating?

3. ### math, probability

Two cards are drawn without replacement from a well-shuffled deck of 52 playing cards. a. What is the probability that the first card drawn is a heart? b. What is the probability that the second card drawn is a heart if the first

4. ### College Algebra

Kevin wants to keep his heart rate at 160 beats per minutes. During his workout he counts 25 beats in 10 seconds. A. How many beats per minute is this? b. Should he workout a little harder (is he not at least at his target heart

1. ### Math

An Adult male's heart pumps about 2.8 million liters of blood a year. If his heart beats 70 times a minute, how much blood does his heart pump with each beat? Show work

2. ### math

When grizzly bears hibernate, their heart rates go down to 10 beats per minute, which is 20% of normal value. What is a grizzly bear's usual heart rate when not hibernating?

3. ### Biology

When you measure your heart rate for less than 20 seconds , why is it less possible for the results to be reliable? When you measure your heart rate for more than 20 seconds, why is it still less possible for the results to be

4. ### 7 th Math

During exercise, the recommended maximum heart rate in beats per minute is modeled by the formula, M = 176 – 0.8A, where M is the maximum heart rate and A is the person’s age. Solve the formula for A. At what age would you

1. ### Health P.E. (Check answers)

1. The average heart beats about 100,000 times a day. Is it True? 2. The heart is located inside the ribcage and just to the right of the breast bone. Is it False? 3. The heart has four chambers and is divided into a right and

2. ### Health (Ms. Sue)

1. Summarize the steps to designing a fitness program. A: The steps to designing a fitness program. First, you must determine your resting heart rate. Once you have determined your resting heart rate, you need to calculate your

3. ### Psy

A researcher is measuring the heart rate of subjects as an index of anxiety. In this study, heart rate is 1) negatively correlated with anxiety 2) an independent variable 3) an operational definition of anxiety 4) a confounded

4. ### science

Which list is an organ system?(1 point) the liver, the bladder, and the heart the heart, the stomach, and intestines *** the heart, arteries, and veins the liver, blood, and skin