1 . 设
:
,在
上
恒成立;
:函数
在其定义域上存在极值.
(1)若
为真命题,求实数
的取值范围;
(2)如果“
或
”为真命题,“
且
”为假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb655576959c111c8691df734dd6013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2501720149908efa11f777f9327aa754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3417699eb4a32521b7ff1f7b2a1d5f47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a01120011aa12ed6a77cb960614d0956.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)如果“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 设函数
在
上存在导函数
,对于任意的实数
,都有
,当
时,
,若
,则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15bccf9756ec716bd5c04e2641b6441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b364221118df158904dcfd2e25e0cc0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92a7824b5aeb713fe28334532d19963b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d0e4a29e397ec7501da62d8f25c120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4024e6226f3cac7b8a11bc6a6b2fea8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2017-02-08更新
|
958次组卷
|
2卷引用:2017届山西临汾一中等五校高三文联考三数学试卷
3 . 已知函数
的两个极值点为
,且
.
(1)求
的值;
(2)若
在
(其中
上是单调函数,求
的取值范围;
(3)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fcc30625a1a2fdf62aacf30c1960a5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74cdf5dcc84c3db26a939266300d8cba.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38c21eb73409580defc20c5c729cf9d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c08f896aa6245beb9af36b6b53ca8a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba507e7db26467904aada0d55014b373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/106157eba7b34fa8219fe5c4990121a6.png)
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2016-12-04更新
|
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2卷引用:2017届山西临汾一中高三10月月考数学(文)试卷
4 . 记
表示
中的最大值,如
.已知函数
,
.
(1)设
,求函数
在
上零点的个数;
(2)试探究是否存在实数
,使得
对
恒成立?若存在,求
的取值范围;若不存在,说明理由.
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179589099520/STEM/e82c70dd3c7a478db0fc19d1fb970067.png)
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179589099520/STEM/d5175185b8724f58968c4336b5e7c1a4.png)
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179589099520/STEM/2c82603c147f45a39bd9311b83b8a0f4.png)
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179589099520/STEM/53c501b7ee5f4e959647f55e80f9f911.png)
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179589099520/STEM/3b9a9c5d171e434687d6f5902d6b709c.png)
(1)设
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179589099520/STEM/687fc74abfec4a6f8ab0ba6a7b1f73ca.png)
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179589099520/STEM/029e04884c5f48cf81c092cbbb970ac4.png)
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179589099520/STEM/b17636d773bb42c5b19fd94e4b7c3201.png)
(2)试探究是否存在实数
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179589099520/STEM/ecdc04282e954a4784e23b7e182b9a94.png)
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179589099520/STEM/e358ffa8bad047eebe13eb9ad41296de.png)
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179589099520/STEM/ce83c9059abd48108859019fd0168192.png)
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179589099520/STEM/159913d07697431bb3f1750f162230a6.png)
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12-13高二下·山西临汾·阶段练习
名校
解题方法
5 . 定义在
上的函数
,满足
为
的导函数,且
,若
,且
,则有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3959288a87e5f9ffcd687017cf2d081f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ed1bf9844c621022c5c43e86db5a164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c556b35e2216aeb5b7d8b1b4c140da.png)
A.![]() | B.![]() |
C.![]() | D.不确定 |
您最近一年使用:0次
2013-04-26更新
|
1921次组卷
|
8卷引用:2012-2013年山西曲沃中学高二下学期第一次月考文科数学试卷