解题方法
1 . 设函数
.
(1)当
时,求不等式
的解集;
(2)若对任意
,
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab53ac44f5c899d5241314178b53f9a2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94cc25a7cf28ed096549fbae97fce40a.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2405c4822bceae1cf191edb502d3b0.png)
您最近一年使用:0次
2022-02-04更新
|
225次组卷
|
3卷引用:安徽省宣城市2021-2022学年高三上学期期末文科数学试题
2022·上海·模拟预测
2 . 已知函数
,甲变化:
;乙变化:
,
.
(1)若
,
,
经甲变化得到
,求方程
的解;
(2)若
,
经乙变化得到
,求不等式
的解集;
(3)若
在
上单调递增,将
先进行甲变化得到
,再将
进行乙变化得到
;将
先进行乙变化得到
,再将
进行甲变化得到
,若对任意
,总存在
成立,求证:
在R上单调递增.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e746284f8292034744ef19606f34ba0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7da1ccb2c68857801d3684316685994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a51944c720568f35d443589dfc1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee6881a170f6ef9ed5c133b95c2f448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/697a2a61d367fe01830b6b5995a2c38d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318a16f1950d06e5500c76d8f81a507f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b3deb8eb89eb6be966c64d81acb292b.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9414348d57c7fc77dcfa8f0744cb0c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6a4df880ff8c0322708ca3048aa665c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6a4df880ff8c0322708ca3048aa665c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef23cf7d8c1b7e52a15e052768cd055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/733b1f3ace6bd767fe4a26dc8098b8c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/733b1f3ace6bd767fe4a26dc8098b8c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf729dc97c117b83cfa0769e02e3ce1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60e15191afd613e5d8215bfa73ac86ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
3 . 已知函数
.
(1)若
,求
的取值范围;
(2)若
,求关于
的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65d098562589c26bd1da9fa23ddd1918.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667cb91683f94d0dcaf3d803fbfb6838.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9c98571bca5ddbab188e888de14384.png)
您最近一年使用:0次
2022-01-13更新
|
131次组卷
|
2卷引用:黑龙江省大庆市2022届高三上学期第二次教学质量检测数学(文科)试题
名校
解题方法
4 . 已知不等式
的解集为
.
(1)求实数
的值;
(2)求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a44c4035f800025690f00218967a9f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6051e33c9c824682b684e4aacfe9576d.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bcf492075ba76dd1b7b632756d07894.png)
您最近一年使用:0次
2021-07-03更新
|
623次组卷
|
7卷引用:专题23 不等式选讲-备战2022年高考数学(理)母题题源解密(全国甲卷)
(已下线)专题23 不等式选讲-备战2022年高考数学(理)母题题源解密(全国甲卷)(已下线)专题23 不等式选讲-备战2022年高考数学(文)母题题源解密(全国甲卷)全国名校2021届高三高考数学(文)冲刺试题(二)全国名校2021届高三高考数学(理)冲刺试题(二)(已下线)专题13 不等式选讲-2021年高考真题和模拟题数学(理)专项汇编(全国通用)四川省成都外国语学校2021-2022学年高三上学期第一次月考考试数学(理科)试题四川省成都外国语学校2021-2022学年高三上学期第一次月考考试数学(文科)试题
5 . 已知函数
,
.
(1)若
,求不等式
的解集;
(2)若关于
的不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/550c206c6590d306d58e159a25c35eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46810b49fe55d60aaf8dd596f7cec20f.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6928c63a35cdf59fb09e2b2585c91061.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
6 . 已知
.
(1)若
,解不等式
;
(2)若不等式
无解,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859de95e459519b5cd10e6735d3cd927.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e799e937076aa5a7dcd51cdc0f40f6b0.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e799e937076aa5a7dcd51cdc0f40f6b0.png)
您最近一年使用:0次
2021-05-12更新
|
744次组卷
|
7卷引用:江西省临川第一中学2022届高三实战演练5月冲刺数学(理)试题
名校
解题方法
7 . 设函数
.
(1)求不等式
的解集;
(2)若不等式
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d429770c485ce49a1a1b4a64a76c07e.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be2cd401b4a9998ee26134e882d76da2.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3376bd4ba7230426822c0660900f0ab0.png)
您最近一年使用:0次
2021-03-22更新
|
326次组卷
|
2卷引用:甘肃省张掖市某重点校2022-2023学年高三上学期第七次检测数学(文)试题
名校
解题方法
8 . 已知函数
.
(1)若
,求不等式
的解集;
(2)
,
,使得
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec2bcc7562fe0281f1fedf364202758.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab989f85a681b41c29465d4be74b789f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a388b0d122d08d0211d818df53aba3b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3a72310764a21b2ce5d1be09c0dfcb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/479f77bfd9f875ae8eace91f61751f8a.png)
您最近一年使用:0次
2021-03-01更新
|
565次组卷
|
6卷引用:陕西省西安中学2022届高三下学期三模理科数学试题
名校
解题方法
9 . 已知函数
,
.
(1)当
时,求不等式
的解集;
(2)设
,
,记
的最小值
,
的最大值为
,求
.(
表示
,
中的较大值,
表示
,
中的较小值.)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40dc3928e2b81fc6e5f83ddc8903b120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac3fdbe7b8a8bc74bf4acf8f289fc47.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d1254f706961b29cee3064b706716c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6522826d8a192d8d01389c23d87bc676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32578be0f084d38890469459bdf652f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b72884f381fcf9acdc21ce4ae0426887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9e460c144f7a2141d2df0308b125f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f0701504dabf18d65c54e899390b2b.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/d533077bb33dd9e38134d2eb25c9a158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
您最近一年使用:0次
2020-08-13更新
|
344次组卷
|
6卷引用:四川省成都市石室中学高2022届高三上学期期末数学(文)试题
10 . 集合
,
,若
,则实数
的取值范围是________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8004ed4430a5c6de67b4518d4b452337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e218c186b809c3a884ae535ab07401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-05-13更新
|
440次组卷
|
5卷引用:考向01 集合的概念和运算-备战2022年高考数学一轮复习考点微专题(上海专用)
(已下线)考向01 集合的概念和运算-备战2022年高考数学一轮复习考点微专题(上海专用)(已下线)课时09 其他不等式的解法-2022年高考数学一轮复习小题多维练(上海专用)(已下线)专题1.1 集合-重难点题型精讲-2022年高考数学一轮复习举一反三系列(新高考地区专用)2020届上海市奉贤区高三二模数学试题(已下线)重难点12 选考系列(参数方程与不等式)-2021年高考数学【热点·重点·难点】专练(上海专用)