1 . 环保局对某企业排污情况进行检测,结果显示,所排污水中硫化物的浓度超标,即硫化物的浓度超过最高允许的
,环保局要求该企业立即整改,在
天以内
含
天
排污达标,整改过程中,所排污水中硫化物的浓度
与时间
天
的变化规律如图所示,其中线段
表示前
天的变化规律,从第
天起,所排污水中硫化物的浓度
与时间
成反比例关系
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/e6dcb5f3-7db2-41ec-a56e-343f816bfc7e.png?resizew=148)
(1)求整改过程中硫化物的浓度
与时间
的函数表达式(要求标注自变量
的取值范围)
(2)该企业所排污水中硫化物的浓度,能否在
天以内
含
天
排污达标?为什么?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b768f6382f0c0433af84576413ff092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b184c94e38f1e5dbe750b2168c2a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b184c94e38f1e5dbe750b2168c2a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ae24921f8d0ec1105c435c43ac95838.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/285912b40e1dce8bfc029df88115c961.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/e6dcb5f3-7db2-41ec-a56e-343f816bfc7e.png?resizew=148)
(1)求整改过程中硫化物的浓度
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)该企业所排污水中硫化物的浓度,能否在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b184c94e38f1e5dbe750b2168c2a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b184c94e38f1e5dbe750b2168c2a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
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