解题方法
1 . 已知函数
,直线
.
(1)若函数
在
处的切线与直线
平行,求实数
的值;
(2)设
,当
时
的图象恒在直线
的上方,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7ed99a74e126a05cb520f19c094020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70a8aecd1dadee3b176127f29261c22.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/187c21027ff08411931d32c530b64fd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232d1ce3ad14256b1543e6007ff1675d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
2 . 已知动圆过定点
,且动圆在
轴上截得的弦长
的长为4.
(1)求动圆圆心的轨迹
的方程;
(2)若
为曲线
上的动点,过
作曲线
的切线与
交于点
.证明 :以
为直径的圆恒过
轴上的定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32366143230ca122894a4bada7c7b96d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
(1)求动圆圆心的轨迹
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefa44964db83759aff6fc8dd7ef8f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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3 . 已知
,
分别为等腰直角三角形
的边上的中点,
,现把
沿
折起(如图2),连结
,得到四棱锥
.
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572929416380416/1572929422696448/STEM/4d14701f-a150-46d2-9a09-5c3eb4958eff.png?resizew=249)
(1)证明:无论把
转到什么位置,面
面
;
(2)当四棱锥
的体积最大时,求
到面
的距离及体积的最大值.
![](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/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1c9e2fbfea1fafe33d98048a52772e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63df0f5cad1a1d8c5e6ae5f3bc8f837b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dec2ca6438c82b43f746057d8129885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a77254d2773dfaee5d13f77e5ec39e9.png)
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572929416380416/1572929422696448/STEM/4d14701f-a150-46d2-9a09-5c3eb4958eff.png?resizew=249)
(1)证明:无论把
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63df0f5cad1a1d8c5e6ae5f3bc8f837b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004dd8ad9e5a200b3869ebfc59c2446d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f233b375753611ffa7a93c2c12ef5e28.png)
(2)当四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a77254d2773dfaee5d13f77e5ec39e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f6b1a6adac644c48cab9ec4d392a152.png)
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名校
解题方法
4 .
中,角
所对的边分别为
,且
.
(1)求角
的大小;
(2)若
,
为
的中点,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f5573b30734d65648f61c0a94c98de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69f0857c0ad796764d9476c2753e263f.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db8e79e363a6e845206bc034931e548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
您最近一年使用:0次
2016-12-04更新
|
620次组卷
|
2卷引用:2016届广西来宾高中高三5月模拟文科数学试卷
5 . 某学校给学生订制校服,从全校近万名学生中随机抽取100人,获得其服装尺码(单位:
)数据按照区间
进行分组,得到频率分布直方图,如图:
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572929416380416/1572929422622720/STEM/9252dd76b4d441f8ba5996068a1bdbb3.png)
(1)根据频率分布直方图计算抽取的100个学生的服装尺码众数的估计值;
(2)用分导抽样的方法从服装尺码在
和
的学生中共抽取5人,其中尺码在
的有几人?
(3)在(2)中抽出的5个学生中,任取2人,求服装尺码在
的学生最多有1人的概率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97153bc3d02dfb38ee046487a8037a41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9263935a40297a1af7e1e3172de07275.png)
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572929416380416/1572929422622720/STEM/9252dd76b4d441f8ba5996068a1bdbb3.png)
(1)根据频率分布直方图计算抽取的100个学生的服装尺码众数的估计值;
(2)用分导抽样的方法从服装尺码在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8275a7c2cbe851775f6f9164642aecac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966e51339ae368032198b2470e0cb049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966e51339ae368032198b2470e0cb049.png)
(3)在(2)中抽出的5个学生中,任取2人,求服装尺码在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966e51339ae368032198b2470e0cb049.png)
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6 . 用一个半径为
的钢质球通过切削加工成一个正六棱柱,为了充分利用材料,要使加工的正六棱柱体积最大,则最大体积为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
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7 . 已知首项为1,公差为1的等差数列
的前
项和为
,则数列
的前
项和
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8050391385b496e9c059201e4f12600a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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8 . 已知
,点
在
(包括边界)内运动,则
的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e2c688abc36067473093922fd7c70a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4489516aca67a6afe53fac2f1477f76.png)
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名校
9 . 已知幂函数
在
上单调递增,函数
时,总存在
使得
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e29a805fbeea2f26c79dd61cdc81ac2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1fce155963060b2e5b9147a185897cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/939694bf2a11d570bc0982b2c8237883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f905f5e64a998a92b306f41fa7fddab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eca5c282908fef3f0481e376f42c490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
|
2668次组卷
|
6卷引用:2016届广西来宾高中高三5月模拟文科数学试卷
2016届广西来宾高中高三5月模拟文科数学试卷福建省三明市2019-2020学年普通高中高三毕业班质量检查A卷(5月联考)文科数学试题江苏省吴江中学明伦书院创新班2020-2021学年高一下学期期中数学试题(已下线)专题2.15 幂函数与二次函数-重难点题型精讲-2022年高考数学一轮复习举一反三系列(新高考地区专用)(已下线)专题2-3 函数性质3:幂指对函数图像与零点-1(已下线)专题09 幂函数压轴题-【常考压轴题】
10 . 如图,是三个底面半径均为1,高分别为1、2、3的圆锥、圆柱形容器,现同时分别向三个容器中注水,直到注满为止,在注水的过程中,保证水面高度平齐,且匀速上升,记三个容器中水的体积之和为
,
为水面的高,则函数
的图像大致为
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572929416380416/1572929422417920/STEM/872f6d73e7ec417f92c3c1ba6200b8dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358214b6648ad79abdc5182965062c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358214b6648ad79abdc5182965062c63.png)
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572929416380416/1572929422417920/STEM/872f6d73e7ec417f92c3c1ba6200b8dc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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