名校
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74da4b06c434c46d5a8958ad77f2592.png)
.
(1)若曲线
与直线
相切,求实数
的值;
(2)若不等式
在定义域内恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74da4b06c434c46d5a8958ad77f2592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c235ca725ade5c8b07943ac106a90fb3.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/791674d87749149c677f5c82cf94a88c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47d32caafc370dc6ee4227dbad933351.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2018-06-02更新
|
692次组卷
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4卷引用:2020届宁夏回族自治区银川一中高三第三次模拟考试数学(文)试题
名校
2 . 已知函数
,若有且仅有两个整数使得
,则实数m的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9776a31b3656c4099b3f99ad5d5071cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ca971590eccabc17551465bbaf24a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2018-04-27更新
|
2253次组卷
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3卷引用:宁夏银川一中2018届高三第二次模拟考试数学(理)试题
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3 . 已知对任意的
,不等式
恒成立(其中
是自然对数的底数),则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de9b6e510d7f09fdcb75a0776499de85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb4ac3829eb94b3ef0cc3b9f3719b225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11204e2fb6e560bf7a4ca26eaebfc526.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2018-04-26更新
|
2002次组卷
|
7卷引用:【全国百强校】宁夏平罗中学2018届高三第四次(5月)模拟数学(理)试题
【全国百强校】宁夏平罗中学2018届高三第四次(5月)模拟数学(理)试题黑龙江省齐齐哈尔市2018届高三第二次模拟数学(理)试题(已下线)《考前20天终极攻略》5月18日 导数及其简单应用(选择题、填空题)【理科】(已下线)《考前20天终极攻略》5月18日 导数及其简单应用(选择题、填空题)【文科】(已下线)2019年3月4日 《每日一题》(理)人教选修2-2-利用导数证明不等式恒成立问题(已下线)2019年6月9日 《每日一题》理数(下学期期末复习)-每周一测河北省衡水市安平县安平中学20198-2020学年高三上学期10月月考数学(文)试题
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4 . 底面半径为1cm的圆柱形容器里放有四个半径为
cm的实心铁球,四个球两两相切,其中底层两球与容器底面相切. 现往容器里注水,使水面恰好浸没所有铁球,则需要注水________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
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2018-04-23更新
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1199次组卷
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3卷引用:宁夏回族自治区银川市一中2019-2020学年高三11月月考数学(理)试题
5 . 已知椭圆
的焦距为
,且
与
轴交于
两点.
(1)求椭圆
的标准方程;
(2)设
点是椭圆
上的一个动点且在
轴的右侧,直线
,
与直线
交于
,
两点.若以
为直径的圆与
轴交于
,
两点,求
点横坐标的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/706974715f84eac8497ef509b033b5e8.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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6 . 定义在
上的偶函数
满足
,当
时,
,设函数
,则函数
与
的图象所有交点的横坐标之和为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275815073d040d04fe4820f9841b78d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/153a9079d4c9b87f0c3b5626316361c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef7ed1988237ebf13c8288017c1044e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
A.2 | B.4 | C.6 | D.8 |
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2018-04-11更新
|
2011次组卷
|
7卷引用:【全国百强校】宁夏石嘴山市第三中学2018届高三下学期第四次模拟考试数学(文)试题
名校
解题方法
7 . 设
,曲线
在点
处的切线与直线
垂直.
(1)求
的值;
(2)若对于任意的
,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33cba862ddf637ef237d7eb5a5f58a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e8a3365e99f926b1dafa901ab232152.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8c164755dc2d7cff80fb4c9cffc9be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2516de7bb87c55255fa9ff026d3b79d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
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解题方法
8 . 已知椭圆
的中心在原点,焦点在
轴上,离心率为
,过椭圆
上一点
作
轴的垂线,垂足为
.
的方程;
(2)过点
的直线
交椭圆
于点
,且
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f13bf66fc845b115de4ec45b4be0e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa4345db51b2a88f8a3bdd5807e15d65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2018-03-24更新
|
529次组卷
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6卷引用:2017届宁夏石嘴山市第三中学高三4月适应性(第二次模拟)考试数学(文)试卷
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9 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bc829840851c02cbfbac98db0fa5ed.png)
(1)求曲线
在点
处的切线方程;
(2)令
,讨论
的单调性并判断有无极值,若有,求出极值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bc829840851c02cbfbac98db0fa5ed.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc93f147abbc5ebb2c568627b3ca47f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
2018-02-01更新
|
532次组卷
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3卷引用:宁夏银川市第二中学2020届高三下学期第一次模拟考试数学(理科)试题
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解题方法
10 . 已知函数
,
,其中
.
(1)当
时,求函数
的单调递减区间;
(2)若对任意的
,
(
为自然对数的底数)都有
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc3b5378d1d1455447aed8c1d8c01e1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11a9d5bd2aaf4566d5e04f71ff4a26d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb1f8ec0dbad36f5f69e9b0c4bb24c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4624a648f30189a10c8b6683b190ce5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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