解题方法
1 . 已知函数
,则函数
的零点个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39b13a4400d42299c0ad7023a8eefebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feb90b190cd748052931b77c695d7c6c.png)
A.3 | B.5 | C.6 | D.8 |
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2 . 已知
,且
,函数
在
上单调,则
的取值范围是( )
![](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/fd86c8f2ebae7117dd09698a34b7fac3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-09-01更新
|
1519次组卷
|
7卷引用:福建省龙岩市永定区侨育中学2024届高三上学期第一次阶段考数学试题
名校
解题方法
3 . 已知
,定义:
,设
.若函数
有两个零点,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73254f32b6da29ecc32df2e9f87a4c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d98819ce65c6c22e070a5fb7c331fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcfa80cef7c173cdcdb9f24743fac746.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a17ed9188242860b4ecd18f3a9ac6216.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-01-08更新
|
144次组卷
|
4卷引用:福建省三明市五校2023-2024学年高一上学期期中联考数学试题
福建省三明市五校2023-2024学年高一上学期期中联考数学试题福建省漳州市龙文区2024届高三6月模拟预测数学试题(已下线)高一数学开学摸底考 02-人教B版2019必修第一册+第二册开学摸底考试卷山东师范大学附属中学2024届高三下学期考前适应性测试数学试题
名校
4 . 已知
,且
,函数
,若关于
的方程
有两个不相等的实数根,则
的取值范围是( )
![](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/0781ef38edbafad901d9616cf118a5c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28638f8c054a7bb4d9b46fde330bc76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 定义域为
的函数
满足
,
,若
时,
恒成立,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/322eb46d949b9580bcc057d146b7fc58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9dceef7e01934235245bc9a5df3861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a07ea4aaaf82f4f2a54df7673504df6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b43758e8f118028e1bb65f35f222ae68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-12-14更新
|
183次组卷
|
2卷引用:福建省龙岩市连城县第一中学2023-2024学年高一上学期月考2数学试题
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解题方法
6 . 已知函数
的值域为
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c05768b7fd7d59791d4a8cdd32825e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
7 . 已知函数
设
若关于
的不等式
在
上恒成立,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0104c936330b1e1c6d02b5b500a7b28f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f96276f2ab93bf1826505026ea482f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c5f5cf97b9fb02d5eb9659003510c4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933093b52cca887f597cbe22a5467b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
8 . 已知函数
,若
,且
,设
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe2df5552d110d027c41e819c729447.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eae51f0310b87cde2e206643e9d25a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f1081e17d76952734b3195474f9d84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d4a254c1d4ce01dc17b862dd719bb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-10-13更新
|
403次组卷
|
3卷引用:福建省厦门市第十中学2023-2024学年高一上学期12月阶段性检测数学试题
名校
9 . 已知函数
,若方程
有三个不同的实数根
,且
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f34a2aa6bbd86709ccbdd7457f713a0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a1cc5cfec94bc5686b41b043acdc8ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31dac77855629d41746583d4ed44592.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-02-28更新
|
368次组卷
|
2卷引用:福建省福州第一中学2023-2024学年高二下学期4月第三学段模块考试数学试题
解题方法
10 . 已知函数
,
,设
为实数,若存在实数
,使得
成立,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a0ec8d1dd88bc87ef19e3cc77d7729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dca47f2814c112cb107c661737de099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5baecaec6420685a9baf203e0c5abe5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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