名校
解题方法
1 . 设函数
.
(1)当
时,解不等式
;
(2)若
的解集为
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8d92d363472210e2281277aebd3bf1d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7acff98078cdd32804d8f1c4efbe2ddd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dde124dcb539065039683ece9677c4a6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee2388bd070365a21e9ca54174e2ac50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c6536aa2b1b1857aa01552610bf252f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6b88ebba33b7b994577161c0710493.png)
您最近一年使用:0次
解题方法
2 . 已知函数
.
(1)解不等式:
;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/036fd1de458f1b71cd921b4008e28733.png)
(1)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffe9154d21ab270df5227c0acc8fed7.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c70a8a8ae398f287833ce0ac30e1b9c5.png)
您最近一年使用:0次
2020-04-14更新
|
502次组卷
|
8卷引用:2020届四川省广安市高三第二次诊断性考试试题理科数学试题
解题方法
3 . 已知函数
.
(1)若关于
的不等式
的整数解有且仅有一个值
,当
时,求不等式
的解集;
(2)已知
,若
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b55baa291dc85607ca99e78e72d9d8b4.png)
(1)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56de67aebc369b180a10b5daff9b1443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63667e3873921ede7d871a2d051dc60a.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d60e45947e36d9edbf913de444585df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac9e2d77d30d7c495e40e69b86941d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/257ecb7b06e38583c4f375372f4dba11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
4 . 设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8dc7120df18b5ac2f96e5951f86c0a0.png)
(1)当
时,求不等式
的解集;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8dc7120df18b5ac2f96e5951f86c0a0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598e3c585fab75a4f0ee967b93b65493.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db2f80e8b268cbcb617e2f023daa133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
5 . 设函数
.
(1)当
时,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/a8ff37ff95d0796d21b93590af4842c9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02bdb9352c3d83757dcf46cc84cd1d47.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51ea2fe6d047bc6d2c13ff4d397e8508.png)
您最近一年使用:0次
6 . 已知不等式
的解集为
.
(1)求实数
的值;
(2)已知
存在实数
使得
恒成立,求实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a45ac81983d74cf612978143a33d914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbad99bcb90bd241a5f5b58c43c780a7.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d701d16d9f318ee8fa779f5b961d64c.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1afddac11c3055bdef861f32a44da384.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679a33df2e478b7b292373a71df0cb1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2020-04-11更新
|
158次组卷
|
2卷引用:2019届百师联盟全国II卷高三模拟考(一)理科数学试题
解题方法
7 . 已知函数
.
(1)解不等式
;
(2)记函数
的最小值为
,正实数
、
满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa50bf6181d7d55aed297b510c024ee7.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d5a0e25aebe1cc182d2247ed344652.png)
(2)记函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a967be265be3e5c456828f1552a243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/960d45c1e880840c7bac412813ce501d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211beeb2946e3c5a64a9face4cffd919.png)
您最近一年使用:0次
2020-04-06更新
|
261次组卷
|
2卷引用:2020届百校联盟高考复习全程精练模拟卷(全国I卷)理科数学试题
解题方法
8 . 已知函数
.
(1)解不等式
;
(2)当
时,不等式
恒成立,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed397292ea9594f3dd1ced720fbd763.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b562ca77fa64f3ebe40e0ad49833d5.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd970f32e5968917123557bedb0716f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074322fcac39d45c9a930c854cc04f63.png)
您最近一年使用:0次
2020-04-02更新
|
174次组卷
|
2卷引用:2020届湖南省株洲市高三一模数学(文)试题
2020·江苏·一模
解题方法
9 . 已知函数
,
.
(1)当
时,求不等式
的解集;
(2)若
对
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b7b1398b1fc722b390d311f37ae275.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc2ae3d3787d2bf66b5aea4e08aa8121.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4acda6b6464db27e1ec18a1522406d2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa18838a13fda4e45612c32cdf98b71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
10 . 已知
.
(1)求不等式
的解集;
(2)设
、
、
为正实数,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d006b8fc4f1ddc68b3fa582179e9f2.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a8cb96a9e39bc196289712c325265c.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7396dff61afb9a234cf52ebe8bf70eb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754a0b7002c7adda391ae9c297a64f33.png)
您最近一年使用:0次
2020-03-27更新
|
343次组卷
|
13卷引用:2016届宁夏银川二中高三三模拟理科数学试卷
2016届宁夏银川二中高三三模拟理科数学试卷2016届宁夏银川二中高三模拟三文科数学试卷安徽省“皖南八校”2018届高三第三次(4月)联考数学(理)试题【全国校级联考】安徽省“皖南八校”2018届高三第三次(4月)联考数学(文)试题2019届广东省潮州市高三第二次模拟数学(文)试题2020届四川省宜宾市叙州区第二中学校高三三诊模拟考试数学(理)试题2020届四川省宜宾市叙州区第二中学校高三三诊模拟考试数学(文)试题福建省厦门市第一中学2020届高三最后一模数学(文)试题2016届云南省师大附中高三适应性月考二理科数学试卷2016届云南省师大附中高三适应性月考二文科数学试卷2016届湖南省师大附中高三上学期月考六文科数学试卷2015-2016学年福建师大附中高二下期末数学(理)试卷云南省弥勒市第一中学2019-2020学年高二下学期第三次月考数学(文)试题