The concentration of a drug in a patient's kidneys at time t(seconds) is c grams per cubic centimeter(g/cm^3),where c(t)=0.4[2-0.13e^(-0.02t)]
what is the drug concentration after 20 seconds?
這題微積分要怎麼解?
2016-01-06 2:00 pm
回答 (1)
2016-01-06 3:57 pm
✔ 最佳答案
c(20)= 0.4 [ 2 - 0.13*e^(- 0.02*20) ]
= 0.4 [ 2 - 0.13*e^(- 0.4) ]
≒ 0.765
Ans: 0.765 g/cm^3
收錄日期: 2021-05-02 14:08:28
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160106060050AAB9LFX