函数
的零点所在的区间是
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb5be69b2caf53551c47428c9fd38112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e024d9b537aeddc44967a82d1a19cc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
23-24高二下·陕西西安·期中 查看更多[2]
更新时间:2024-05-07 13:32:30
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填空题-单空题
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较易
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解题方法
【推荐1】已知函数
,方程
的解所在区间是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d94e5edc48a908e96404888ec8cc32b.png)
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d116ed3daba42c7814227ea30b4cbd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3047d4ab078dafc06c047bcbf0a6ffaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d94e5edc48a908e96404888ec8cc32b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916d9b38e2783b1c497ec3c2cdd147a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
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名校
【推荐2】函数f(x)=3x-7+ln x的零点位于区间(n,n+1)(n∈N)内,则n=
您最近一年使用:0次
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解题方法
【推荐2】用“二分法”求方程
在区间
内的实根,首先取区间中点
进行判断,那么下一个取的点是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/642b38a56b7f8bdd8ce0bc6f37ee0431.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b094cba781181aeb90752170e9ba6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
您最近一年使用:0次
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【推荐3】已知幂函数
(
)是偶函数,且在
上是增函数,则函数的解析式为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c7b05a54225eddc67c496e9d99d3dd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ee82af4668ec0a4ec3e2159561e122.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
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