名校
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858e7184ae4b7d6fdc0a1c7a15c719ac.png)
(1)求曲线
在点
处的切线方程;
(2)当
时,
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858e7184ae4b7d6fdc0a1c7a15c719ac.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5008ab14c40abcc8e2c7d9ae543aacbb.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bec9ff3d82ba1c5f4bf4d217371ddee8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44bf3d68c327aff754c2a807b79c4095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-04更新
|
547次组卷
|
3卷引用:重庆市礼嘉中学2020-2021学年高二下学期期末数学试题
2 . 已知函数
.
(1)若直线
与
在
处的切线平行,求
,并讨论
在
上的单调性;
(2)若对任意
,都有
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/574d1e48e487bb1546ede052584433b0.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc6e69ad1a27916fb5c3d5901ded134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca2a9845c6495f3ac81fbce43e00351.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad05810cd5a51c2bdcbfe138419f62a.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/948805a4913dec4a1d32961c347be4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55be6d6639dce84098c81d7a8b35d1ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
3 . 已知函数
,其中
.
(1)若函数
没有极值,求实数
的值;
(2)若函数
在区间
上单调递减,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699fa70261c857d0532c30a73bace40c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eda48853e8bdb7e266370b4e0d5a258.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4ee2317e88e36c08a58dac8658bc87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4 . 已知
.
(1)讨论
的单调性;
(2)若有且仅有两个整数
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee8e71b620bcffb0dc5f73546303d4f.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)若有且仅有两个整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cf81b0148ec0fb36ea5e2d20a024466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdc15e04e50612e84420c2fabd7b1aad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
5 . 设函数
.
(Ⅰ)当
时,求函数
的单调区间;
(Ⅱ)令
(
),其图象上任意一点
处切线的斜率
恒成立,求实数
的取值范围;
(Ⅲ)当
,
时,方程
在区间
内有唯一实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f78d2933c399c07a7b865148d304ce18.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f072c3a564e36a26d722e585379161ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(Ⅱ)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1d6e9c3f3f0155be2fd43332ced5a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7b2782d057dd561d4ab535b5f8312f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d2f85f4fd9d9756dd904a23fadeec45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0133e2275dff52519a02bd6b75713083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅲ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82bd3a63b4be53a6e3538b7846e45662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c34d2e40ee0263ecd6b6737c47bf98a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dfac1313a22cac7787e149e7663260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2016-12-04更新
|
612次组卷
|
6卷引用:2014-2015学年重庆一中高二下期末文科数学试卷
2014-2015学年重庆一中高二下期末文科数学试卷(已下线)天津市红桥区2024届高三上学期期末数学试题2015届山东省菏泽市高三第一次模拟考试文科数学试卷2016届广东省华南师大附中高三5月测试文科数学试卷(已下线)专题3.4 导数在实际生活中的应用-2020-2021学年高二数学课时同步练(苏教版选修1-1)(已下线)专题09 选择性必修第二册综合练习
6 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a61392b5a66d385f47e5c80d15a1c0.png)
(1)求函数
的极大值;
(2)若存在
满足
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/504e7d89a28a06c8a8e88b4232d21dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a61392b5a66d385f47e5c80d15a1c0.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5ccb4383a6104b834b316db14da18b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c108967de36d1c675c867d96df70fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
7 . 已知函数f(x)=1﹣ax+lnx,
(1)若函数在x=2处的切线斜率为
,求实数a的值;
(2)若存在x∈(0,+∞)使f(x)≥0成立,求实数a的范围;
(3)证明对于任意n∈N,n≥2有:
.
(1)若函数在x=2处的切线斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f94407f032de7a4c49ec6dc8809133c.png)
(2)若存在x∈(0,+∞)使f(x)≥0成立,求实数a的范围;
(3)证明对于任意n∈N,n≥2有:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69063ca7703c6c5bd5945c9fbd1cc2c8.png)
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8 . (本小题满分12分,(1)小问4分,(2)小问8分)
已知函数
在
处达到极值,
(1)求
的值;
(2)若
对
恒成立,求
的取值范围.
已知函数
![](https://img.xkw.com/dksih/QBM/2015/5/18/1572112945774592/1572112951574528/STEM/7b8561cd605748d4a7d981abd6b15cd6.png)
![](https://img.xkw.com/dksih/QBM/2015/5/18/1572112945774592/1572112951574528/STEM/315e41b996704099b403ff629972a757.png)
(1)求
![](https://img.xkw.com/dksih/QBM/2015/5/18/1572112945774592/1572112951574528/STEM/f9295545ae4045be8d365eff0b0f17bc.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2015/5/18/1572112945774592/1572112951574528/STEM/08b8e097f79b4130a854c5487a63c84d.png)
![](https://img.xkw.com/dksih/QBM/2015/5/18/1572112945774592/1572112951574528/STEM/6d6d99e04da642cda208a3ed507f9b72.png)
![](https://img.xkw.com/dksih/QBM/2015/5/18/1572112945774592/1572112951574528/STEM/ef7e6b8b8a524cb68f4e6141c460b6dd.png)
您最近一年使用:0次
9 . (本小题满分13分,(1)小问7分,(2)小问6分)
已知函数
,
(1)求函数
在点
处的切线方程;
(2)求函数
的单调递减区间.
已知函数
![](https://img.xkw.com/dksih/QBM/2015/5/18/1572112945774592/1572112951476224/STEM/dc81774f8e5741e0ad188b359430a666.png)
(1)求函数
![](https://img.xkw.com/dksih/QBM/2015/5/18/1572112945774592/1572112951476224/STEM/6ae5dbae563747d7bdd02530d663f937.png)
![](https://img.xkw.com/dksih/QBM/2015/5/18/1572112945774592/1572112951476224/STEM/c27793b607f844a7a3f5cc10c5553230.png)
(2)求函数
![](https://img.xkw.com/dksih/QBM/2015/5/18/1572112945774592/1572112951476224/STEM/6ae5dbae563747d7bdd02530d663f937.png)
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10 . 已知定义在
的奇函数满足:①
;②对任意
均有
;③对任意
,均有
.
(Ⅰ)求
的值;
(Ⅱ)证明:
在
上为增函数;
(Ⅲ)是否存在实数k,使得
对任意的
恒成立?若存在,求出的k范围;若不存在说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0051111e6a2c32870d1dc1088e93fa67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/309c99d0acad93706ab168d1f9c584bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8e2d8df2505de1a25f1dc01a6f65404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca88b72ac8dc9c7c137af932de90bc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d1b84a1643aaef21941921fd27c72c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f9b8ffa7654486d37a5593fff18e7b5.png)
(Ⅰ)求
![](https://img.xkw.com/dksih/QBM/2015/4/7/1572065734008832/1572065739948032/STEM/1d880764e4c64c1e938cc049fbef8693.png)
(Ⅱ)证明:
![](https://img.xkw.com/dksih/QBM/2015/4/7/1572065734008832/1572065739948032/STEM/cd7222bda3074af09c4de326ecc8f3f4.png)
![](https://img.xkw.com/dksih/QBM/2015/4/7/1572065734008832/1572065739948032/STEM/ebb9b700883445a5a41cf19238d1f024.png)
(Ⅲ)是否存在实数k,使得
![](https://img.xkw.com/dksih/QBM/2015/4/7/1572065734008832/1572065739948032/STEM/ad6fcacd535f43ae856b1b5cfa251e62.png)
![](https://img.xkw.com/dksih/QBM/2015/4/7/1572065734008832/1572065739948032/STEM/f0af6094d68841ee9e1caf068e49c652.png)
您最近一年使用:0次