英文版61.IMMUNIZATION Suppose that during a nationwide program to immunize the population against a certain form of influenza,public health officials found that the cost of inoculating x% of the population was approximately C(x)=150x/(200-x) milli
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英文版61.IMMUNIZATION Suppose that during a nationwide program to immunize the population against a certain form of influenza,public health officials found that the cost of inoculating x% of the population was approximately C(x)=150x/(200-x) milli
英文版
61.IMMUNIZATION Suppose that during a nationwide program to immunize the population against a certain form of influenza,public health officials found that the cost of inoculating x% of
the population was approximately C(x)=150x/(200-x) million dollars.
a.What is the domain of the function
b.For what values of x does C(x) have a practical interpretation in this context?
c.What was the cost of inoculating the second 50% of the population?
d.What percentage of the population had been inoculated by the time 37.5 million dollars had been spent?
主要是翻译
另外 a 中的答案给的是 x不等于200 个人认为应该是0-100
英文版61.IMMUNIZATION Suppose that during a nationwide program to immunize the population against a certain form of influenza,public health officials found that the cost of inoculating x% of the population was approximately C(x)=150x/(200-x) milli
免疫(工作)应该在全国范围的程序期间,让人们得到能够预防大多数流感(病毒)的疫苗,公众健康组织发现,给x%的人民接种花费的钱约为
C(x)=150x/(200-x)
a.函数C的 取值范围?是多少
b.在x的值中,C(x)在上下文中是否有实际的解释?(感觉不太通)
c.给50%人口接种的花费约为多少?
d.如果花费37.5百万刀,能给多少人接种?
不等于200是正确的
因为照这样计算,给200%的人口接种 花费为0
你觉得合适吗
61 。免疫假设，在全国计划免疫的人口对某种形式的流行性感冒，公共卫生官员认为，接种费用x ％的
人口约的c （十） = 150x / （ 200 - x ）的万美元。
字母a.什么是域名的功能ç ？
湾什么价值的X没有的c （ x ）的具有实际的解释在这方面？
角是什么费用接种第二个50 ％的人口？
d.什么的人口比例已接种的时候，...
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61 。免疫假设，在全国计划免疫的人口对某种形式的流行性感冒，公共卫生官员认为，接种费用x ％的
人口约的c （十） = 150x / （ 200 - x ）的万美元。
字母a.什么是域名的功能ç ？
湾什么价值的X没有的c （ x ）的具有实际的解释在这方面？
角是什么费用接种第二个50 ％的人口？
d.什么的人口比例已接种的时候， 3750万美元，花费了？
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