名校
1 . 已知函数
,对定义域内任意
,都有
,则正实数
的取值可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e354cf156dce1a97956d2421f6a918bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c414c707c8c9c8f8cc7de894b4a40c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.1 | D.![]() |
您最近一年使用:0次
2024-04-15更新
|
424次组卷
|
2卷引用:吉林省部分学校2023-2024学年高二下学期4月月考数学试卷
2 . 已知函数
,若对任意的
恒成立,则正实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34e563fb21d07910bbf3bf674d2e6c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0d848c18bf4ebef71405d575434e321.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
3 . 定义
,对于任意实数
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5855d641a4f2d83e1bceb76311c2e24c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a9344f4fca7b9779ca7720e5277ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b1e9af136e020f8b986df700601bb2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-03-26更新
|
1438次组卷
|
4卷引用:广东省韶关市2024届高三综合测试(二)数学试题
广东省韶关市2024届高三综合测试(二)数学试题广东省佛山市南海区桂城中学2024届高三下学期4月月考数学试题重庆市乌江新高考协作体2024届高考模拟监测(一)数学试题(已下线)拔高点突破04 多元函数最值与双重变量最值问题(十三大题型)-2
4 . 已知
,(
,
,
),且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75216568cb4d59140c9b2597980e5b17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e61e241c6c220b3b4705a8c1a465d7b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12b0e3b00fe47801afb53ec56706c21a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/759b7e549689ddaaedc917af73b7f902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
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解题方法
5 . 设函数
,
.
(1)当
时,证明:
;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c22516251206cc9237ee035ab27ab25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/487d538bab4260efa3988bc9b77cc58b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da159aa2e8acd6ea3bede80437649463.png)
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6 . 设递推数列
满足:
,如果对任意的首项
且
,数列中一定存在某项
,则不超过
的最大整数是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a50836192856e048e1fe207d0b61bc1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5224c5faa2f07d81db12c937e3a38d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4be043e433182a1255ef5bf2ff2c96fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe1593b8834ccf3f3ddd52a8deec97db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04a38189db22659e85d0baf16dbf5444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/085d58fb6a91ae4e7712dfa55baff725.png)
您最近一年使用:0次
7 . 已知函数
,且函数
的图像与
的图像关于
对称,函数
的图像与
的图像关于
轴对称,设
,
,
.则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10779fdbd7e9fa5c2ec6770bf2de137d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd330acca8e17f5ff9aca1f0f312df50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f1524b3f629e0176586efb4ea437d3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c4dff530c0d1880a7303d270d51228a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd330acca8e17f5ff9aca1f0f312df50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0f1880b3806edd5b74ac5a6a9741f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/140735b5fa6e40be7c983ea89c16bc20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/008b2a28ed240c78b66b8b5154f121fb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-09-17更新
|
714次组卷
|
3卷引用:山东省临沂第二十四中学2021-2022学年高一上学期12月月考数学试题
名校
解题方法
8 . 已知函数
,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c85467b0027305f2d3757b0ba5bf8b.png)
(1)若
,且
,试比较
与
的大小关系,并说明理由;
(2)若
,且
,证明:
(i)
;
(ii)
.
(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1060c34e676f9e4048f396023fa6a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b87dad80ff155f615b17fbe8bf4db00a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c85467b0027305f2d3757b0ba5bf8b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/477401fbd54f365121b648e4d8fcf38b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f13c49cbcdca5ed2e81d229819357b9.png)
(i)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc6ecd08de6b156b5fa2bda453c855f3.png)
(ii)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe64030d6e08f7607b7e3d9a724a79c9.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9e0f63cd71701bdf260b1510c72ee8f.png)
您最近一年使用:0次
解题方法
9 . 已知在函数
,
,若对
,
恒成立,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d2bc80be159ed1bb81cddcad258a414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ba9a15464e79b7ded1002d996bae27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c509511e314e5074bcca4d27ef26d9bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6ce02259a85ea191541f4a708738f1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-10-14更新
|
1931次组卷
|
8卷引用:云南省玉溪市普通高中2022届高三第一次教学质量检测数学(理)试题
云南省玉溪市普通高中2022届高三第一次教学质量检测数学(理)试题山西省运城市2022届高三上学期期中数学(理)试题(已下线)第07讲 利用导数研究双变量问题(讲+练)-2023年高考数学一轮复习讲练测(新教材新高考)(已下线)专题16 函数与导数常见经典压轴小题全归类(精讲精练)-3(已下线)第六章 导数与不等式恒成立问题 专题九 双变量不等式恒成立问题 微点4 双变量不等式恒成立问题之消元法、主元法(已下线)新题型02 新高考新结构竞赛题型十五大考点汇总-1(已下线)专题06 函数与导数常见经典压轴小题归类(26大核心考点)(讲义)-2(已下线)压轴小题12 一组不等式的恒成立问题
名校
10 . 已知
,函数
,其中
…为自然对数的底数.
(1)证明:函数
在
上有唯一零点;
(2)记
为函数
在
上的零点,证明:
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3adb9acead48e36b705874dc96979f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/597de8046b5baecf54be4b0516de67ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9405dfcca25b76af059fb4c308983eae.png)
(1)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c89e13ea43300cc01379c96614d8e9cc.png)
您最近一年使用:0次
2021-10-12更新
|
558次组卷
|
3卷引用:湖南省永州市第一中学2021-2022学年高三上学期第二次月考数学试题