名校
解题方法
1 . 已知函数
则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d699c7c6697c0cf83ff9064857d318f9.png)
A.![]() ![]() |
B.直线![]() ![]() |
C.![]() ![]() |
D.函数![]() |
您最近一年使用:0次
2 . 已知函数
,a为常数.
(1)当
时,如果方程
有两个不同的解,那么k的取值范围是___________ ;
(2)若
有最大值,则a的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ca517475c1b27dfd108cbd3bd692823.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7072fcba028cb70e42a9f8a69c5e925e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
解题方法
3 . 已知函数
的值域为
,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9df9376bf08f97daa436d2351387b75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
4 . 已知
,若方程
有四个不同的解
,则
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3e859a6a5599174f2167d336c13bedd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83f2949d6f33b6adb33e4ca2e85c1a1d.png)
您最近一年使用:0次
2023-01-16更新
|
583次组卷
|
3卷引用:山东省济南市历城第二中学2022-2023学年高一上学期期末数学试题
名校
5 . 已知函数
,若关于x的不等式
恰有一个整数解,则实数a的最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/831976b3319ab2d259a8bd87e692cb00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47d057ccbd9c8e1b53016fdbd84c3cd1.png)
您最近一年使用:0次
2023-01-16更新
|
556次组卷
|
2卷引用:四川省成都市实验外国语学校2022-2023学年高一上学期期末考试数学试题
名校
6 . 已知函数
,若
恰有两个整数解,则实数
的取值范围是______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa8069384e971b8873a8cc76844c13ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07ea67db56b8447adc94f08857a13bcd.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
7 . 已知函数
,
(1)当方程
有三个不同的实根,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
______ ,.
(2)当方程
有四个不同的实根,且
,
,
,
,满足
,则
的值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f854ff5e62ca6b10c5b81459858c35ad.png)
(1)当方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976d18a5396ba232f0aa38d136f1d749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
(2)当方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976d18a5396ba232f0aa38d136f1d749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bead46c97f99eb0110132a8a0267f89.png)
您最近一年使用:0次
2023-01-15更新
|
679次组卷
|
4卷引用:辽宁省营口市大石桥市第三高级中学2022-2023学年高一上学期期末数学试题
名校
解题方法
8 . 已知函数
,若方程
有四个不同的解
且
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbc25118611b50bd99ec99f3bc6f5650.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e37e2fbf0bd3dc99107a78e567eca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ff62fc0986df43893af2cea6d921f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2741ca619df1d9ab3d9ced4c49142dc.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知函数
,若关于
的方程
0有五个不同的实数根,则实数m的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8792a65e872577d8aaa12d98507132a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369f7cf245bedc24fc8e18f205fe0842.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
10 . 已知函数
,若存在互不相等的实数
,
,
,
满足
,
,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/263e140e81ccd494ff3e9cd4e24ac17d.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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/951836ef5e4cfd3689a94810e0f8d43d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67afd34495f2c2c3fe2deec14e1b4b6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30bea9e7f6353d467efd9214bbf5273d.png)
A.![]() | B.![]() |
C.![]() | D.3 |
您最近一年使用:0次