名校
解题方法
1 . (1)若对于一切实数
,不等式
恒成立,求
的取值范围;
(2)当
时,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75d76364bd2086ed7bf60b2fbce3b0bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95842ad442c7f6d5ec4b32939b929e63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e9bd06dbb60db9ef56db0d694505330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
,
.
(1)若关于x的不等式
对一切实数x都成立,求b的取值范围;
(2)当
时,函数
的最小值为1,求
值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aaf8ff792d7d72723a0c06f83b01bb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19339e3904e9541ff26b30ae5f1242b2.png)
(1)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6070f2ee5e48cce77eb4a2cb9f11ccfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2023-05-11更新
|
1324次组卷
|
2卷引用:陕西省西安市长安区第一中学2022-2023学年高一上学期期末数学试题
解题方法
3 . 已知函数
.
(1)求关于
的不等式
的解集;
(2)若不等式
对任意实数
都成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70daabefd5ec4982b8afab7f6c1a8bbd.png)
(1)求关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2843c5568022bd4cd273c51e0a35184.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
4 . 已知定义在
上的函数
是奇函数,
(1)求
值,
(2)若对任意的
,不等式
恒成立,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d22e98a005621833ffdece28a39369a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51159984b2cb00f30b3986315019623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11c147912d6afbf3ec3d1576198bb2bc.png)
您最近一年使用:0次
解题方法
5 . 已知函数
.
(1)若
的定义域为
,求a的取值范围;
(2)若
的值域为
,求a的取值范围:
(3)若
,求
的值域:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda6015b58d628a9a669b7318717ea79.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
2023-02-18更新
|
464次组卷
|
2卷引用:陕西省西安市2022-2023学年高一上学期期末联考数学试题
名校
解题方法
6 . 已知函数
,
.
(1)若关于
的不等式
在实数集
上恒成立,求实数
的取值范围;
(2)解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e4d80ff209033ce81b48a534f9411bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
(1)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b69f8244ad382b569177ccef288c502.png)
您最近一年使用:0次
2023-02-15更新
|
417次组卷
|
7卷引用:陕西省渭南市大荔县2022-2023学年高一上学期期末数学试题(人教A版)
陕西省渭南市大荔县2022-2023学年高一上学期期末数学试题(人教A版)陕西省渭南市大荔县2022-2023学年高一上学期期末数学试题(北师大版)四川省绵阳市三台县三台中学校2022-2023学年高一下学期第一次检测数学试题(已下线)专题2.4 一元二次不等式恒成立、存在性问题大题专项训练(30道)-举一反三系列(已下线)高一上学期第一次月考数学试卷(基础篇)-举一反三系列吉林省长春市第二实验中学2023-2024学年高一上学期10月月考数学试题江苏省宿迁青华中学2022-2023学年高一上学期第一次月考数学试卷
解题方法
7 . 已知命题
,
.
(1)若“
”是
成立的充分条件,求实数
的取值范围;
(2)若
为假,
为真,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c45eaf7665573895acc3629ff7d7c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e225b2982311d77129738075218e32b6.png)
(1)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43f8d2e33b42786b7a2c2259bfa773fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-02-14更新
|
213次组卷
|
2卷引用:陕西省宝鸡市渭滨区2022-2023学年高二上学期期末文科数学试题
解题方法
8 . 已知命题
:函数
的定义域为
,命题
:对任意实数
是增函数;
(1)若
是
的充分不必要条件,求
的取值范围;
(2)当
时,若“
”为真命题,“
”为假命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ece071d262803ffb9f8248a63fc00319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89bf72b0f264793653edd551999e1327.png)
(1)若
![](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/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
9 . (1)命题“若
,则
恒成立”是真命题,则实数
的取值范围;
(2)设
.若
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fc3b0b7641cf5ec0f03d81b07e3605d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c69bd84b110d9bf46f085ae4eb6907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
10 . 已知
,命题p:
,
;命题q:
,
.
(1)若命题p为真命题,求m的取值范围;
(2)若命题
为真命题,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2939abf9f1755ea304eeb1e73063cba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c904b72e5787a9e8f69f3fdc8c90d2ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f086f7ed97bcdc6cbc4633d32d6e842a.png)
(1)若命题p为真命题,求m的取值范围;
(2)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
您最近一年使用:0次