1 . 已知函数
,其中
,且
.
(1)当
时,求函数
的单调区间;
(2)设
,若
存在极大值,且对于
的一切可能取值,
的极大值均小于0,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686029b9113496215d521ec89449b5a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42aa7b0ae664303007ab8bd2ef2e63be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33130865ed84e819613d50c575ee47e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://img.xkw.com/dksih/QBM/2017/4/30/1677040254509056/1736928238428160/STEM/d05b8e2d1e244eb7a36f54ff9ca9552a.png?resizew=35)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
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解题方法
2 . 已知
是函数
的导函数.
(1)求不等式
的解集;
(2)如果对于任意的
,
总成立,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/776fa6439168522f352d683994355658.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa4006b9d948646e8df80ed0e701e6.png)
(2)如果对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351a282cf4bde27e62660f9a694ef6df.png)
您最近一年使用:0次
2020-08-07更新
|
408次组卷
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2卷引用:广东省潮州市2019-2020学年高二下学期期末数学试题
12-13高三·黑龙江哈尔滨·阶段练习
3 . 若
,不等式
的解集为
,关于
的不等式
的解集记为
,已知
是
的充分不必要条件,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf18a2fdbd60af342296038bffa27781.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c72d250a079379c5175693c165248c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0019345bd795a44709d7ddf1895f350.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)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 已知函数
的图象关于点
对称,设关于
的不等式
的解集为M,若
,则实数
的取值范围为________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51a78e9e450d703d6bda7fbc3bd5a14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e09872be2fce54e922259bde2c540bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d326dd9e6f934cbe3a4e5151768ee4e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7afc32402668c656a5d359614e39869a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2017-05-21更新
|
1003次组卷
|
4卷引用:山西省孝义市2017届高三下学期高考考前质量检测三(5月模拟)数学(文)试题
山西省孝义市2017届高三下学期高考考前质量检测三(5月模拟)数学(文)试题山西省临汾第一中学2017届高三全真模拟数学(文)试题1山西省临汾第一中学2017届高三全真模拟数学(文)试题2(已下线)2018年高考二轮复习测试专项【苏教版】专题六 不等式