制定投资计划时,不仅要考虑可能获得的盈利,而且要考虑可能出现的亏损.某投资人打算投资甲、乙两个项目,根据预测,甲、乙两个项目可能的最大盈利率分别为100%和50%,可能的最大亏损率分别为30%和10%,投资人计划投资金额不超过10万元,要求确保可能的资金亏损不超过1.8万元.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/666c5e41-42e1-45ed-9685-255eef454b3d.png?resizew=250)
(1)设投资人用
万元、
万元分别投资甲、乙两个项目,列出满足题意的不等关系式,并画出不等式组确定的平面区域图形;
(2)求投资人对甲、乙两个项目各投资多少万元,才能使可能的盈利最大?
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/666c5e41-42e1-45ed-9685-255eef454b3d.png?resizew=250)
(1)设投资人用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(2)求投资人对甲、乙两个项目各投资多少万元,才能使可能的盈利最大?
更新时间:2021-11-20 07:20:39
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【推荐2】某工厂使用
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(1)设该工厂每天生产甲、乙两种产品分别为
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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甲 | 乙 | |
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(2)如果生产
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