若命题“
:
,
”为真命题,则实数
的取值范围是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/054d0cf570b7942dcb1d2cc02fa83553.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2019-01-26 09:28:07
|
【知识点】 根据函数的最值求参数
相似题推荐
【推荐1】函数
的定义域是_____ ;若函数
的最大值为
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6033ec7eb4b39ddd5beb4141dfa6927e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cdd98afd741f096b8f407154748da20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31da7291140e430a11e2a10cc6cdefbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
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填空题-单空题
|
适中
(0.65)
解题方法
【推荐2】已知函数
,
,若
在区间
上的最大值是3,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/634fd7f15406ca10f04996c0ad519c79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次