解题方法
1 . 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
解题方法
2 . 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
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
19-20高一·全国·课后作业
4 . 若
的解集是为
,则实数
的范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d4a3d93c419872c06d24d26a50aa5cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2df1bc516cf59796f7610454440afc4.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
5 . 已知函数
.
(1)
,不等式
恒成立,求实数
的范围;
(2)若关于
的不等式
在
有解,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc97f0fd545876b45132a9918ad9f6c1.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/346a8575de755941b7de759f17449d87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a89be1009f96de083175f681f6ae1d.png)
您最近一年使用:0次
名校
解题方法
6 . 已知x,y都是正数,且
.
(1)分别求x,y的取值范围;
(2)求
的最小值及此时x,y的取值;
(3)不等式
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04645353d91a5beb6d02c06bb62683a9.png)
(1)分别求x,y的取值范围;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fc838e1477179b36ca7481ee2cc1e8.png)
(3)不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcebe10ae382d181636f14889c24f15.png)
您最近一年使用:0次
名校
解题方法
7 . 若关于
的不等式
的解集为
,且
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acf2c5c0560e9118b11643524423f41f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfbbaae8420d12d64e0b7fca9cda4d44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
8 . 已知函数
.
(1)求不等式
的解集;
(2)若存在
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037ca2303abb4f486e5f2666b2b472ec.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/227c96db35dc74ef4ddbc49d17580022.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/962dba16e9f5129df453497cee42266e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-01-20更新
|
353次组卷
|
5卷引用:陕西省安康市2024届高三上学期第二次质检数学(理科)试卷
名校
解题方法
9 . 已知函数
,且不等式
的解集为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d846fd8aa11cfd66a948218fc49cdd9e.png)
(1)求
的值;
(2)设函数
,若不等式
对任意
且
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6d0d8546284558d2c168e52086cee37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b3449a8a558267c2a1baab2acc6a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d846fd8aa11cfd66a948218fc49cdd9e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2825e22f98e16bb5899141881d75b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff00b3c0cbf6fac434a83e667971f5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
解题方法
10 . 已知函数
.
(1)求不等式
的解集;
(2)若
,
,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c70855d58b06b2324dd7a01d16e38c9b.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640d3bcd10055871a5ec2f442c1030c1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5667bc1ea875422f618529aa5f254f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33302a52d40c03c245a486ec12aeddb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-02-18更新
|
36次组卷
|
2卷引用:理科数学-【名校面对面】2022-2023学年高三大联考(2月)试题