名校
1 . 已知函数
.
(1)当
时,求函数
的单调区间;
(2)若对于
都有
成立,试求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a250fdca5f9cd3323e1b0db1a492c0c8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33d41d398944a02f613784ff1ceeaf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6150ffd1cc89a5631de0c0889f367bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-03-10更新
|
854次组卷
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4卷引用:河南省济源市英才学校2022-2023学年高二下学期期末考试数学试题
名校
2 . 关于函数
,下列说法正确的是
(1)
是
的极小值点;
(2)函数
有且只有1个零点;
(3)
恒成立;
(4)设函数
,若存在区间
,使
在
上的值域是
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d42bc1614c3372edf362b4c07154fba.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcac5b738cd5ea12f6d93e9c5fc6bcd5.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ff4cd48186637b4bd808f50901c398.png)
(4)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f412e17467943f006814d1428061825f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e646215764f355905dcc9c5b3a8d5cd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c04b85dc5b075d58fc17a8d9aa0ba720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/148ec043516888056573f0805c4b3691.png)
A.(1) (2) | B.(2)(4) | C.(1) (2) (4) | D.(1)(2)(3)(4) |
您最近一年使用:0次
2020-01-20更新
|
1222次组卷
|
6卷引用:河南省济源市2021-2022学年高二下学期期末教学质量调研模拟试题(一)数学(文)试题