名校
解题方法
1 . 已知函数
,
.
(1)若
,求函数
的值域;
(2)是否存在正整数
,使得
恒成立?若存在,求出正整数
的取值集合;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd5108bd251572c61f0904117ffbfb5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24b66150793c738ead964a3ea4446a87.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9998f27aca8e31ba479b96858b509c85.png)
(2)是否存在正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7996434806a627c7c121fda24b072c39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2 . 已知函数
.
(1)讨论
的单调性;
(2)当
,
时,函数
的图象与函数
的图象有两个交点
,
.
①求证:
;
②比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5370fc919246e31862b908b13975e4f9.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03b011f69dfc5262a3d82f64676739b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/881e1aef1f22f19862b3a0b09cf64efc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ed98e5fc99b56a2766f5c9b411253d6.png)
②比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29a4f3dd93a37f788d565fc7ace0fb27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
您最近一年使用:0次
名校
3 . 已知函数
.
(1)若
,求
的单调区间与零点;
(2)若
且
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/580bc4caf016646b3832dc7663ba786e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209936910c4936d10ec1a90d66fb2355.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aec362e62444e2a7bf8f6d60cd67bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-12-02更新
|
520次组卷
|
3卷引用:贵州省贵阳市第一中学2024届高三上学期高考适应性月考(三)(11月)数学试卷
4 . 已知函数
.
(1)讨论
的单调性;
(2)若
,证明:存在正实数
,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd56830cdb5850ed81854a5ae9ace9af.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/056d2aaa001694b41e700117fb295f86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1496ab7bea1bb51199f309cb28ea2bfc.png)
您最近一年使用:0次
2023-11-25更新
|
186次组卷
|
3卷引用:贵州省贵阳市五校2023届高三联合考试(四)数学(理)试题
贵州省贵阳市五校2023届高三联合考试(四)数学(理)试题贵州省贵阳市五校2023届高三联合考试(四)数学(文)试题(已下线)特训03 一元函数的导数及其应用 压轴题(七大母题型归纳)-2023-2024学年高二数学《重难点题型·高分突破》(人教A版2019选择性必修第二册)
名校
解题方法
5 . 已知曲线
在
处的切线方程为
.
(1)求
的值;
(2)已知
为整数,关于
的不等式
在
时恒成立,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd79039ea7622201994bf260277595d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5139a71c41789f3c5ab3c0207d7b7522.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df5112ea17a5aac234563e0fd047be1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-10-11更新
|
964次组卷
|
8卷引用:贵州省贵阳市清华中学2024届高三上学期10月月考数学试题
贵州省贵阳市清华中学2024届高三上学期10月月考数学试题河南省2023-2024学年高三上学期阶段性测试(二)数学试题河南省商丘市部分学校2023-2024学年高三上学期阶段性测试(二)数学试题(已下线)第六章 导数与不等式恒成立问题 专题六 单变量恒成立之参变分离法 微点2 单变量恒成立之参变分离后导函数零点可求、可猜、不可求型综合训练河南省洛阳市第一高级中学2023-2024学年高三上学期阶段性测试(二) 数学试题(已下线)模块三 专题1 不等式恒成立、能成立问题河南省信阳市浉河区信阳高级中学2023-2024学年高三上学期数学测试(五)黑龙江省牡丹江市第二高级中学2023-2024学年高三上学期第四次阶段考试数学试题
解题方法
6 . 已知函数
.
(1)求证:
;
(2)若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/742813d9ceeb55f6fb256f064ca89cb3.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5846fa96244cbf466b118d87b8c61fc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
7 . 定义
阶导数的导数叫做
阶导数(
,
),即
,分别记作
.设函数
,不等式
对任意
恒成立,则实数
的取值可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0cdbf7b7cb42491810101c6e0db4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba9655670ecce786b40abb612b5733b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ebfe079b8a49cc87b98ee2aabc95251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc9aa044c749310cbe93c921b13a5a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7823bcfcc3fbb0432f403c174c56a78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.1 | C.![]() | D.![]() |
您最近一年使用:0次
8 . 如图,一块边长为
正方形铁片上有四个以
为顶点的全等的等腰三角形(如图1),将这4个等腰三角形裁下来,然后用余下的四块阴影部分沿虚线折叠,使得
,
重合,
,
重合,
,
重合,
,
重合,
,
,
,
重合为点
,得到正四棱锥
(如图2).则在正四棱锥
中,以下结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb26c5cdef6f16f4b39cd091041b439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b3bd5e6bc2a0a277d279bb01af9584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee50575e3ebd56c4f46dd0bbf8e55d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a5faf3cbb633fc4294c8ce703c64c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a5faf3cbb633fc4294c8ce703c64c3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/12/cd2a3d46-4c9b-40be-bbdc-f857393ba3d8.png?resizew=150)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/12/832ab7b5-56a4-4f09-b565-e3bc9ee5d76d.png?resizew=187)
A.平面![]() ![]() |
B.![]() ![]() |
C.当![]() ![]() |
D.当正四棱锥的体积取到最大值时,![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知,
,
,则( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-09-10更新
|
603次组卷
|
3卷引用:贵州省贵阳市2024届高三上学期8月摸底考试数学试题
贵州省贵阳市2024届高三上学期8月摸底考试数学试题(已下线)专题03 一网打尽指对幂等函数值比较大小问题 (9大核心考点)(讲义)云南省红河州开远市第一中学校2023-2024学年高二下学期3月月考数学试题
名校
10 . 已知函数
,
.
(1)若函数
在
处的切线的斜率为
,求实数a的值(e是自然对数的底数);
(2)若函数
有且仅有两个零点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e2277b76a72fb7b96dbdd713a21198.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c629b0c7a5005cd81845ad5c20bd0a.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2023-08-26更新
|
456次组卷
|
2卷引用:贵州省贵阳市第一中学2024届高三上学期开学考试(8月月考)数学试题