已知函数
在区间
上的图象是一段连续的曲线,且有如下的对应值表:
设函数
在区间
上零点的个数为
,则
的最小值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e2fc4404fc3ec1528db9f438c9e5357.png)
x | 0 | 1 | 2 | 3 | 4 | 5 |
y | 2.2 | 4.6 | 8.8 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e2fc4404fc3ec1528db9f438c9e5357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
更新时间:2024-05-27 09:04:35
|
【知识点】 零点存在性定理的应用
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【推荐2】设方程
的解
(其中
),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02a6951422c8a01fdcd988b788b3d5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e94b88a4470a35987a2b9a4736bdc7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232d1ce3ad14256b1543e6007ff1675d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
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