名校
1 . 已知函数
(其中
,
均为常数,
且
)的图象经过点
与点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2a42e5f3758bf3459b5b47d7e3ba12.png)
(1)求
,
的值;
(2)求不等式
的解集;
(3)设函数
,若对任意的
,存在
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52fbc14bad2edac9a5e361eede29e30f.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/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f48a644e1135f4ddcd2fe1a345769812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2a42e5f3758bf3459b5b47d7e3ba12.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4253355887e92bdddb4779c4d4db79a7.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc8b9907cabe0422aa5e2a7a8211ffa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/204687ff0d957eece42db00f067f15a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5beb7b2c335be1738933501a10df407f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be814e1e66a7607de96e126aeffcdfdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-12-26更新
|
860次组卷
|
4卷引用:四川省眉山市彭山区第一中学2022-2023学年高一上学期期末考试数学试题
四川省眉山市彭山区第一中学2022-2023学年高一上学期期末考试数学试题江苏省泰州中学2020-2021学年高一上学期12月第二次质量检测数学试题江西省宜丰中学2022-2023学年高一上学期12月月考数学试题(已下线)专题06 对数函数2-期末复习重难培优与单元检测(人教A版2019)
2 . 已知函数
.
(1)若
,求不等式
的解集;
(2)若方程
有实数根,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffd7665efa51680950d8ceea84460e6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e69866076dcff686a05e9e91e61e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2020-05-23更新
|
642次组卷
|
8卷引用:四川省资阳市2020届高三模拟考试数学(理科)试题
解题方法
3 . 已知不等式
的解集为
,关于
的不等式
的解集为
.
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea054e8cd92fbf23d0d51ffc5a98d67a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/970c24f1a82bdceb131be7c171f2face.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.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
4 . 已知命题
关于
的不等式
的解集是
,命题
函数
的定义域为
,如果“
”为真命题,“
”为假命题.求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbb65c04dbd6b193d5160773bb35ad43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab6ffb7c0f046e4e9018c1f2e5adfd38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ce0cfeaba739e1c69d918a2121ed56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.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/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-03-25更新
|
403次组卷
|
2卷引用:四川省双流中学2019-2020学年高二上学期期中考试数学(理)试题
5 . 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
6 . (1)已知直线
,求与直线l平行且到直线l距离为2的直线方程;
(2)若关于x的不等式
的解集是
的子集,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b0ae4d688f297055ccb947022bbdcd6.png)
(2)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa81c2bdc9d4dfa3d747fc53e263b1d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ae66c5401deed7341470ca37800463.png)
您最近一年使用:0次
名校
7 . 方程组
的解集中含有两个元素,则
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef47bd40ebd59c1c0a45daf4934018ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-02-05更新
|
255次组卷
|
2卷引用:四川省成都市双流区双流棠湖中学2023-2024学年高一上学期10月月考数学试题
名校
8 . 函数
,关于
的不等式
的解集为
.
(Ⅰ)求
、
的值;
(Ⅱ)设
.
(i)若不等式
在
上恒成立,求实数
的取值范围;
(ii)若函数
有三个不同的零点,求实数
的取值范围(
为自然对数的底数).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed1e73e4681659c1113ff5b08f40801.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06ed09256650b9bf798c9c3efe23207a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/881fe2df23c5a0fe1d1fecbe9ffa55fb.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(Ⅱ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea3029a39fe6d67da0c12f68fd19e155.png)
(i)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ec84bfd0f3d97f1d42d3fdd511874b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/276d2d40ef25226284cfec86ecdbccbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(ii)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4e698e85ea5413d21407c4a75538c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
您最近一年使用:0次
2020-02-13更新
|
556次组卷
|
3卷引用:四川省攀枝花市2019-2020学年高一上学期期末数学试题