1 . 设
,函数
(
是自然对数的底数),若存在
使得
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9327f99a946927628125dc0986ea39c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/798590f2d16bbe3572d78641f6f706f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.![]() | C.![]() | D.1 |
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2018-12-18更新
|
702次组卷
|
2卷引用:【市级联考】广东省江门市普通高中2018届高三调研测试理科数学试题
名校
2 . 已知
是定义在
上的增函数,其导函数
满足
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cead849c0dc4a82285808a7e081ad75c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2437d40a85a950a06b1824312ddfd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad896853224d611866a21acd9d835377.png)
A.对于任意![]() ![]() | B.当且仅当![]() ![]() |
C.对于任意![]() ![]() | D.当且仅当![]() ![]() |
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2019-05-05更新
|
600次组卷
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3卷引用:【市级联考】河北省邯郸市2018-2019学年高二下学期期中考试数学(文)试题
解题方法
3 . 若函数
满足
,且
,则
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4dbad2897844bbcf62b5432cf233a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f45f66366a813ca0dfeadbe8b58d455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d18dca3e1c75fa57bed69de10ad543dd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 设函数
,
,
若存在唯一的整数
,使
,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3efcef4590471bbae66a4ff19b6612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3477306c08343ecd94a28326a165fb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7b5582e1931243dbb90b7591137f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5b017de7aec0711fef053f1a0197a3.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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5 . 设
是函数
的定义域,若存在
,使
,则称
是
的一个“次不动点”,也称
在区间I上存在“次不动点”.若函数
在
上存在三个“次不动点
”,则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db40d5295942e85ec07a3728c7ad308d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6cb40bc4c242bb6ccb99701ee8f2e83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee1e87c6dda8f96dc97acdd1c09abfff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5cbf1211335bcbc0ebb05414669eda0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb9f66dfc77f5daf349c76e3339eed5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5cbf1211335bcbc0ebb05414669eda0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-07-09更新
|
489次组卷
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3卷引用:陕西省西安市新城区西安中学2018-2019学年高二下学期期末数学试题
陕西省西安市新城区西安中学2018-2019学年高二下学期期末数学试题(已下线)专题10 《导数及其应用》中的动点动直线问题-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册) 宁夏平罗中学2022-2023学年高二下学期第三次月考数学(理)试题
6 . 已知函数
,若
与
有三个公共点,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe256a92704cdc7bd9a93af3dae876e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
名校
7 . 已知函数
,存在
、
、
、
,使得
成立,则
的最大值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9088eb1debd8efafb3eeedbe5319f07c.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/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c8f642d7c2dce3bea089de3fe3196f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8fa46852a53fbd45205a51467a54aa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-11-06更新
|
473次组卷
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2卷引用:湖北省鄂南高中2019-2020学年高三上学期10月月考数学(文)试题
8 . 已知函数
,满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2755fcabc5ee31d2fc498fe2c49b03f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/774131b335223884f895e87a6f68485d.png)
A.函数![]() |
B.函数![]() |
C.函数![]() |
D.有且只有一个实数![]() ![]() |
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2019·陕西·高考模拟
9 . 已知函数
与
的图象上存在两组关于x轴对称的点,则实数t的取值范围是( )(参考数据:ln2≈0.7,ln3≈1.1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76cebc05878b7f8d38b47e8a1d4ac9b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08fee45b44c4f20e032ebe3e82e91662.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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10 . 设函数
,若曲线
上存在点
使得
,则a的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8df3b337b480357d1dc1c016ed48d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b5f46e8dd98438bf7c7baef2de37ea5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb6a4781b020b879519321e05c299f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9863bdef554a67d2dcb5ddd6b4192d33.png)
A.[ln3-6,0] | B.[ln3-6,ln2-2] |
C.[2ln2-12,0] | D.[2ln2-12,ln2-2] |
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