名校
解题方法
1 . 已知函数
,
.
(1)设
.若
恰有两个零点
、
,且
.判断函数
的奇偶性(只需给出结论,不需写证明过程),并求实数
的值;
(2)若
,
,
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8c1435ac112f1a98c40725d361d20b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd055fc5fdc69045fd6d4bca7c37eab3.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1298b16851618bb8884791817a78d0a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ab0fdded94776c7e330d6c21ab4860a.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/9159bc3e165a4f2ee9d67f8f5180e7bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544f91d4fb22c571db9f8481b72a0419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35eac3ba2858adffcd1f8052cd795269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea7936ad4048b3fc87a81d5469ec33e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61649f88b8cbbb573713ff3fe3097d0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
的单调递增区间是
,单调递减区间是
的零点个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d06da248af729034dc7632bced64d23e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0226f801937ab5ac06dfa005ac0d509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1257bc83b07266ca306ca6aab841407.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
解题方法
3 . 若
,则
,
,
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384603ec04fa542cad4db613189dac5c.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)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 已知函数
恰有三个零点,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8947191ec3765e35b5e811a1af440ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知函数
若关于
的方程
有3个实数解![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/586229152055b850bb12078f44aa4375.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/915e28a6131cf12ea62c8f469d4fa5f2.png)
A.![]() |
B.![]() |
C.![]() |
D.关于![]() ![]() |
您最近一年使用:0次
6 . 已知函数
有两个零点分别为
和
,则
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05dcda93bb923646e4683bf592fb2813.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/20d6fc9b90f370fbb27552876b650f8f.png)
您最近一年使用:0次
7 . 对于函数
,设
,若存在
,使得
,则称
和
互为“零点相邻函数”.若函数
与
互为“零点相邻函数”,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fd1e808e015f4cb43d2e3a0529ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50af4f4b47d96b22855e8cffebc5646f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b43d934d0f3a547b0a0771e51cece7f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c8a55d7a686424bd184058f90e8888f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a3337599add6149367547b259822a77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
8 . 已知函数
的定义域为
.
(1)求
的取值范围;
(2)若
,
,当
时,函数
在
上的值域为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a0bdf82731fc14741d596662b8ae2d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2628e2dd7a988cc80530e739c22b2280.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/876c4da096be1ab01fcd25fdabe6bba9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390ff951abd64fc3f9e56bed2a8f3c13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ad243c53cfa65aa601ab7eb9141168.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbd8466b576ad34d6ef492599940f4b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbd8466b576ad34d6ef492599940f4b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
9 . 函数
有零点,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8838202018b58bfb09163edd4614ab00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
10 . 用二分法求函数
的零点时,初始区间可选为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6541d9c4add44401fc8b108bb3ec6e0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-02-21更新
|
146次组卷
|
2卷引用:安徽省皖北六校2023-2024学年高一上学期期末联考数学试题