名校
解题方法
1 . 已知函数
.
(1)若不等式
的解集为
,求实数a的值;
(2)
时,
恒成立,求实数x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/585c861f339d170f806e3e31f1fe95fa.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebfdecc7f8089cb23c20d0a93ee1b601.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42226c99901dbfc0b75ec3a2deb611a2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b98ffee92a7948602e86e7ffa5dd1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6beda797b9b42f555d84a3211ed12df9.png)
您最近一年使用:0次
2024-04-11更新
|
426次组卷
|
2卷引用:河北省衡水市第二中学2023-2024学年高二下学期5月学科素养检测(二调)数学试题
2 . 已知不等式
的解集为
,函数
(
,且
),
(
,且
).
(1)求不等式
的解集;
(2)若对于任意的
,均存在
,满足
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0821603fa37f5c2ce186d94c513700ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92a8a6e8d04bca8bc8a1f2bf5b62469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c98316b646044a823fd71b963fe84bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1252b3493b8854fd86c1618a1d5a6097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d31a882cc3671a75c504c388ec65de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/060e7930731eddbcfac592b808e9b698.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/777c87008cf665c92122330f3dea7cbc.png)
(2)若对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6a3163cc2d37e7b7fe450f6e8bf8500.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee84d0f51a67027eab0eff1bccb369d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2598a40ea539880de4735a859be48aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
3 . 定义一种新的运算“
”:
,都有
.
(1)对于任意实数a,b,c,试判断
与
的大小关系;
(2)若关于x的不等式
的解集中的整数恰有3个,求实数a的取值范围;
(3)已知函数
,
,若对任意的
,总存在
,使得
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3c2f679d53b91088ba6eb14c16cbc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2671f593186fa00f17ad26eba7b8f3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a8c23336002eb5d7c478479fcda799f.png)
(1)对于任意实数a,b,c,试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fda9c56c7993236c0ebdfe08d110ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b98e8a20e1e3d328265269df6b2927ad.png)
(2)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b80fef6a2dd7e822d83ae45ea79a5357.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06fc1f7733bebb86885b6e6fd0534e1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d8b60555f0d82c386c5b935c23ff952.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12965bbc260bdbb0df0a110e59fb8d78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93bf66ef253242900ca1702121238b14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52dc0bb1b1d25a0e86babc0edc627e44.png)
您最近一年使用:0次
2023-07-11更新
|
526次组卷
|
3卷引用:河北省石家庄市第二中学2023-2024学年高一下学期学情调研(一)数学试题
名校
解题方法
4 . 已知函数
.
(1)若关于
的不等式
的解集为
,求
的值;
(2)已知
,当
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08f82baae5f1b71fba5e0deb1dccb658.png)
(1)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d21dc3246c34e71ba0eec0b9e1f93d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d58a2f286c59542d9543a90bfe3193d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4155f50ee12cf606447012b5602caa90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-12-06更新
|
1259次组卷
|
4卷引用:河北省石家庄市辛集市2023-2024学年高一上学期期末数学试题
河北省石家庄市辛集市2023-2024学年高一上学期期末数学试题新疆乌鲁木齐市新疆农大附中2022-2023学年高一上学期期末数学试题(已下线)模块六 专题5 全真拔高模拟1 期末研习室高一人教A(已下线)第06讲:指数运算和指数函数-《考点·题型·难点》期末高效复习