醫(yī)生讓Davidson監(jiān)測他健身時的心率,所以自變量是健身的時間,因變量是健身中的心率.
定義域是健身的時間長短范圍,就是（0,45）分鐘
值域就是心率的變化范圍,是（70,70*190%）=（70,133）跳每分鐘
一道英文函數(shù)數(shù)學題,要求寫出自變量,因變量,定義域,值域
一道英文函數(shù)數(shù)學題,要求寫出自變量,因變量,定義域,值域
Mr.Davidson works out at the local gym.The doctor told him to monitor his heart rate during his workout.When he begins his workout,his resting heart rate is 70 beats per minute.The doctor told him that his heart rate,during his workout,should never exceed 190% of his resting heart rate.Identify the independent and dependent values.If he works out for 45 minutes,what is a reasonable domain and range for this situation?
Mr.Davidson works out at the local gym.The doctor told him to monitor his heart rate during his workout.When he begins his workout,his resting heart rate is 70 beats per minute.The doctor told him that his heart rate,during his workout,should never exceed 190% of his resting heart rate.Identify the independent and dependent values.If he works out for 45 minutes,what is a reasonable domain and range for this situation?
英語人氣：483 ℃時間：2020-04-14 21:36:30
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