1 . 已知函数
满足
,且在
上单调,则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794dc4442d3a529add0889d983c8643f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e4ef8b42672ba0869a72251e1a52901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dfc7e5fd0f011aa062105b6de7fa9a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
名校
2 . 已知函数
,若对任意
都有
(
)成立,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94d9f05cd657beb70aebec9bee0b3a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c879f7098e2fdfeb2b22976bf2cad89c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d200a7afe1e011713e14886a6887e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
您最近一年使用:0次
2019-09-23更新
|
442次组卷
|
3卷引用:河北省高碑店市高碑店一中2019-2020学年高一上学期第二次月考数学试题
名校
解题方法
3 . 若
是定义在
上的函数,当
时,
,且当
时,
,则方程
的实数根的个数为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe86cace140f2c3588ab115837bbfc9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbb01a7f5e9861aa185c6c63fcd58c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/106989df5a3ccd1fe0e638288c3b6265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68900dc5b86ef0aab193485eb2c27f1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb536960b69eacdf89bb19f5b92f26c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02bff0b90555b9c99687b9ad76685cfc.png)
您最近一年使用:0次