1 . 已知函数
.
(1)求不等式
的解集;
(2)若对任意的实数
,都有
成立,求
的取值取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ac4d49d986aa80ef1650e0490369d5.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea998345984b6d1bbffa1e667365ed6.png)
(2)若对任意的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc3486a572b19bf8d040d28201c7282.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-02-29更新
|
144次组卷
|
2卷引用:1号卷·2022年高考最新原创信息试卷(五)文数
解题方法
2 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)对于任意的正实数m,n,且
,若
恒成立,求实数a的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447ea620900858bad3b916dec0f091a7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188281cc0c7af6e95c32b9bbb94ffc21.png)
(2)对于任意的正实数m,n,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a548d0b3ceef145f2f1583d02d70f769.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df45c04a9ee9f91fbdb04fd68b64befd.png)
您最近一年使用:0次
2023-05-03更新
|
176次组卷
|
2卷引用:新疆乌鲁木齐市等5地2023届高三高考第二次适应性检测数学(理)试题
名校
解题方法
3 . 已知函数
.
(1)求不等式
的解集;
(2)若
,
,且
,求满足条件的整数
的所有取值的和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e7557f89eb2c438cdea7fa97eb6551.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f501d134a31e3988e14d671605787648.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fde28188ddd8e0e44d6bef6b40ced2d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e15c2171c1be9ec394494ad822a048d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7db3272da23cb2de0aa20fbd07af26ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-01-06更新
|
467次组卷
|
5卷引用:慕华优策联考2022-2023学年高三第一次联考理科数学试题
解题方法
4 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)若不等式
对
恒成立,求实数a的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995e2474f312e53340f0570178a26008.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af7e5cd65bc9d3051c2c72311ca8f88d.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed408d3a43e0c6f6939b87346ea308c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb099907c15816b4b329715e80aea70f.png)
您最近一年使用:0次
5 . 已知函数
.
(1)若不等式
的解集为
,求
的值;
(2)若关于
的不等式
有解,求
的取位范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8327be2dd861aba12773e281c6f3582.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4aa539556add14df9b3fc68b9827464.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a001b721510e3c4ae08c60f67854f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0053ded22e66e1d899ad8a268828e8ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2021-03-23更新
|
367次组卷
|
2卷引用:河南省金太阳2021届高三下学期3月联考(I卷)理数试题
解题方法
6 . 已知
.
(1)若
.关于
的不等式
的解集包含区间
,求
的范围;
(2)若
的最小值为5,且
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd20f8454292a973dbfaa9e94cb0311.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2677d8cb044df55cbca3c905c286a952.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a0d5dc7533a26efbe6d75f9712b582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/175d0c99e866f1db915462a91b356ef3.png)
您最近一年使用:0次
名校
解题方法
7 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)当
时,
图像的最低点坐标为
,正实数
满足
,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91287366700231bca2a97c7f1c058c3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be1d8c6384d7fabddb693b2b7fcdf4a.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64d924836b4292239d9726c6473d7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b056a90a2751f04ba5fff3dc5c1d0674.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d12ce14787139eaa3dc33c3b294fd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6f5c42377adc0921f3c65db88832d43.png)
您最近一年使用:0次
2020-04-30更新
|
132次组卷
|
2卷引用:2019届安徽省宣城市郎溪中学高三模拟考试数学(理)试题
8 . 已知函数
,
.
(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.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f25c40746d9b2ed9b8e486307fd2780f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7cc2aa5c5d4040c66e6794e71f48647.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c2e0bb6d63b7bcaee92a470d58cc399.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2052130268c701b5bc83f51dfe09958.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa18838a13fda4e45612c32cdf98b71.png)
您最近一年使用:0次
9 . 已知函数
.
(1)求不等式
的解集;
(2)若
的图象与直线
围成的图象面积不小于24,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6750744fbdea56d71f031b209b2056de.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e272244a751ca0c3f96beaafb426dc.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46111e4d12c21798aa213c0d7804c2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
10 . 已知函数
.
(1)求不等式
的解集;
(2)若
对于
恒成立,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/210bb4974c1096c56265954f29a7aeb9.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9491f776adab0f069bbff1f7e08e1b7d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9be311d871ce0b96dc9f2bee3b253898.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