名校
1 . 已知函数
,若方程
有四个不同的实数解,它们从小到大依次记为
,
,
,
则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d28a9e1eb28f9e12196ce117edc9d764.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0026503e0a6e8bf75990ac0feed29fb.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)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-02-21更新
|
711次组卷
|
6卷引用:江苏省盐城市上冈高级中学等2022-2023学年高一上学期期末联考数学试题
2 . 已知函数
(其中e为自然对数的底数),若存在实数
满足
,且
,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892995c930758c8e5f5141b69c3ee0fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e45e961dd36b8f85703c91f248da3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() |
您最近一年使用:0次
名校
3 . 已知
,若存在
,使得
,则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce441b720d31333fcdfb59fb5c123bba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55b5ef4a5018ffdecdfe1e6917ca103b.png)
A.实数![]() ![]() | B.![]() ![]() |
C.![]() | D.![]() ![]() |
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2023-02-19更新
|
393次组卷
|
2卷引用:四川省南充市2022-2023学年高一上学期期末数学试题
解题方法
4 . 已知函数
的图像过点
,则
在区间![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
_________ 零点(填“有”或“无”);且函数
有三个零点,实数
是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e1b4e695bc49109248d26f1282d080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87d495f802e3b3e7b8020eb38c82f1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5b9f57d3634f8337f1414f8a2a2dc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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名校
解题方法
5 . 已知函数
,若函数
所有零点的乘积为1,则实数a的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/562bcf0b2bdf18643090a467cedfe8d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/063e117674cfa096c5f0aa45f7d663d4.png)
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2023-02-18更新
|
217次组卷
|
2卷引用:湖南省衡阳市2022-2023学年高一上学期期末数学试题
解题方法
6 . 已知定义在
上的函数
,设
,
,
为三个互不相等的实数,且满足
,则
的可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a2d2281978f9fe9ad9357b7b818aabf.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/7f74cb3f9906bdbb0e6d9cf69fa2190b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d2d7ddd7ef3b6cde30018bc6a84b9e0.png)
A.15 | B.26 | C.32 | D.41 |
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7 . 已知函数
,若存在四个实数a,b,c,d,满足
,
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/609f5376f1ce44e4a48dba7969fcc45d.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/91fedb7036f4975bc3c789ca47f77977.png)
A.(0,+∞) | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
8 . 已知函数
若
,且
,则
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e5590cc81b133f70435458b2a8312df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e45e961dd36b8f85703c91f248da3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d20c3dafde4449a064998a6e8a2bae.png)
您最近一年使用:0次
2023-02-17更新
|
589次组卷
|
4卷引用:重庆市铜梁一中等三校2022-2023学年高一上学期期末数学试题
解题方法
9 . 已知
,函数
,若方程
恰有2个实数解,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51159984b2cb00f30b3986315019623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/876c8516acbe383ac7bff3712393f54f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eea9f922fe7f212d55f803fbd65269f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2023-02-17更新
|
264次组卷
|
2卷引用:湖南省郴州市2022-2023学年高一上学期期末教学质量监测数学试题
解题方法
10 . 已知函数
,若存在四个实数
,
,
,
,满足
,
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/658303c4f74c8f52f0ce219f36b2ebd1.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/91fedb7036f4975bc3c789ca47f77977.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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