名校
解题方法
1 . 若
,且对任意![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52ee3959c3d5a852dc1caa443e37495b.png)
的恒成立,则实数
的取值范围为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf176e43719945f8c3ba79813787ad9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52ee3959c3d5a852dc1caa443e37495b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/189f9b59162292ee6d1d30275ad08bfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-13更新
|
1238次组卷
|
4卷引用:2017届江苏扬州中学等七校高三上期中联考数学试卷
2017届江苏扬州中学等七校高三上期中联考数学试卷江苏省苏州市苏苑高级中学2019-2020学年高三上学期10月月考数学试题江苏省南通市如皋中学2019-2020学年高三下学期5月检测数学试题(已下线)“8+4+4”小题强化训练(12)含有ex、sinx与lnx的组合函数或不等式问题-2022届高考数学一轮复习(江苏等新高考地区专用)
2 . 已知
,定义
.
(1)求函数
的极值;
(2)若
,且存在
使
,求实数
的取值范围;
(3)若
,试讨论函数
的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/524ba6c1ced004ff8e28fd7a8bd27979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4670bc4c5a40b59c34ee09f9be58136.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d7d0dfbb5f925614f1d71371db6f996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ac16d9e3f3e192ae3a9315935f38155.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9f049a5f960728c60a909821b2404b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459f767ba4e0c31b362146810bcdd8ca.png)
您最近一年使用:0次
名校
3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/422e1a840a1c422b27eb4af9887e84b2.png)
.
(1)当
时,求函数
在点
处的切线方程;
(2)求函数
的单调区间;
(3)若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f135deb1c75214cfdf973739186cb75.png)
在
上恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/422e1a840a1c422b27eb4af9887e84b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6369ea989d998028ed1474f6645ec9a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150e8e4ca6aa729a72a6a17c36b8ebfe.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f135deb1c75214cfdf973739186cb75.png)
![](https://img.xkw.com/dksih/QBM/2016/12/2/1573196334628864/1573196340961280/STEM/9caf7d4dbb4d467ebf8f55fb9fbf51c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/130ab7a635323d182a0da76e9fe25aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-05更新
|
1719次组卷
|
4卷引用:2017届江苏南通中学高三上期中数学(理)试卷
2017届江苏南通中学高三上期中数学(理)试卷(已下线)《2018届优等生百日闯关系列》【江苏版】专题二 第四关 以极值为背景的解答题海南省华侨中学2019-2020学年高二(6月)第二次阶段性考试数学试题四川省绵阳中学2021-2022学年高三上学期第二次模拟检测理科数学试题
4 . 若曲线
与曲线
在它们的公共点
处具有公共切线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5c145e588834d756ea8a81504abce4.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31cd0ce93b5e667e626905ea50de73e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ccad0ef56105b86cf4ee6fe36ab574.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f56635924584077092ac3c7dd68837b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5c145e588834d756ea8a81504abce4.png)
您最近一年使用:0次
5 . 若
,
是虚数单位,则复数
的虚部为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/272d3356785a1cf006ca22c20b853ef5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
您最近一年使用:0次
6 . 若函数
的定义域为
,对于
,
,且
为偶函数,
,则不等式
的解集为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb18c214f86f4cc9fab1185c6869fea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe17821ea81c6fec60bd5273901bd50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4ed4485745f1d259a3953c242b9cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d764128f27e2ce55a0f20bab569009db.png)
您最近一年使用:0次
7 . 已知复数
满足
,其中
为虚数单位,则
的实部为___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e6e3e2c9fa7f674fcdbb7be7cafbbec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
您最近一年使用:0次
解题方法
8 . 定义在
上的函数
的导函数为
,且满足
,
,当
时有
恒成立,若非负实数
、
满足
,
,则
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7994bbcf39f4dda34e877b21af71f103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7e79070b45fe7c6e6485f164b8be18c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59988442648c40c373c5cd1f74b94caa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f0e9c04402a0ffdaa25c3e3c82c7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/928cae1c2b41572c84d227748fc5cb14.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/ca6775d23a2b1494211ff6ec99e5dde5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/989fe2d9beab71986db6bffb7a73086b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdefb13ee44203380ea3f57700a432ad.png)
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2016-12-04更新
|
450次组卷
|
2卷引用:2016-2017学年江苏南通海安县实验中学高二上学期期中数学试卷
解题方法
9 . 定义在
上的可导函数
,已知
的图像如图所示,则
的增区间是__ .
![](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/ad85985f299e5f167714242714d1c048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://img.xkw.com/dksih/QBM/2016/10/31/1573102292844544/1573102298275840/STEM/b690b4dff1e44055b2e1efe460e2a05f.png?resizew=234)
您最近一年使用:0次
10 . 给出定义在
上的两个函数
,
,且
在
处取最值
(1)求
的值;
(2)若函数
在区间
上单调递减,求实数
的取值范围;
(3)试确定函数
的零点个数,并说明理由.
![](https://img.xkw.com/dksih/QBM/2016/10/31/1573102292844544/1573102298562560/STEM/729ba9f983d244749f7439d8d8a99a0b.png?resizew=47)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9de5dfd4d956751485330e9ef699e0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e8e8ad8d1fc90e8847888a3a08b41dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/2016/10/31/1573102292844544/1573102298562560/STEM/9bff3cb76a7a4fdbb612b2a8602aba97.png?resizew=35)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97cc6494f2c8c4d1bb275da8fa0dcc5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0109d06b8be2e402b5ffbb0aeb501009.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)试确定函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d094e5f918ab2bec3070b1d797cfb598.png)
您最近一年使用:0次
2016-12-04更新
|
588次组卷
|
2卷引用:2017届江苏南通市如东县等高三10月联考数学试卷