1 . 已知函数
在
处有极值.
(1)求
的值;
(2)求
在
上的最大值和最小值;
(3)在下面的坐标系中做出
在
上的图像,若方程
在
上有2个不同的实数解,结合图像求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c857c961f0e2419cdbc0ed531c4e5ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a1a5f2533b8ea54b7022383f875666.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fab11f38ab8593932082ec4d9c8c91f.png)
(3)在下面的坐标系中做出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fab11f38ab8593932082ec4d9c8c91f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ba3da840d5fc98c97507566aa6f413f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fab11f38ab8593932082ec4d9c8c91f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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名校
2 . 已知函数
.
(1)若函数
有两个极值点,求实数
的取值范围;
(2)若关于
的方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a92f473731eac24e3164ffa60d87d96.png)
有实数解,求整数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc873fc03e6e4d3c4ba02f8b1147b20.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/644485c58641548f908e30d3d8943e49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a92f473731eac24e3164ffa60d87d96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c2476c1714917b6a6814b01a860418.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
3 . 设函数
.
(Ⅰ)当
时,
恒成立,求
范围;
(Ⅱ)方程
有唯一实数解,求正数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22c0eb837d80679a3ebdbcde4aab8f24.png)
(Ⅰ)当
![](https://img.xkw.com/dksih/QBM/2017/10/16/1803012040491008/1857385269821440/STEM/4b9ac1176cd04ee5be53456bb641661e.png?resizew=39)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a82f9ed1fed1e3aa42434da4671b42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(Ⅱ)方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c47ea41554d63adba4b2bdaf4900e1a.png)
![](https://img.xkw.com/dksih/QBM/2017/10/16/1803012040491008/1857385269821440/STEM/39b33849c73b4894844280f5988f05f2.png?resizew=17)
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2018-01-10更新
|
696次组卷
|
2卷引用:江西省南昌市东湖区第二中学2019-2020学年高二上学期期末数学(理)试题
名校
4 . 设函数
.
(1)当
时,求函数
的最大值;
(2)令
,其图象上存在一点
,使此处切线的斜率
,求实数
的取值范围;
(3)当
,
时,方程
有唯一实数解,求正数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554cba705b88f6e28454fe77b96464ac.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd415208c35bb0a739f8ab1e965249ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a0bb809bc30d56299069557154ebe11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf0d139c9810361b4971904a943856b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96fbbb9c4b0f7937c003ef2c218c02a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e7c300c2def88e87e2a8108655993c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17381b15148bde867610d12773694474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2017-12-18更新
|
368次组卷
|
4卷引用:江西省南昌市第十中学2017-2018学年高二年级上学期期末考试数学(文)试题
5 . 设函数
.
(1)当
时,函数
取得极值,求
的值;
(2)当
时,求函数
在区间
的最大值;
(3)当
时,关于
的方程
有唯一实数解,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca40a79d934b5208e0f0fd8aa39aa48.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f41c6b9fa72109ba69163a5c6b7874a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f248318141e0016d38f9f5a692797f.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab5dff31759eee997dbe1dae850fbdf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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6 . 设
,函数
.
(Ⅰ)若
,求函数
在区间
上的最大值;
(Ⅱ)若
,写出函数
的单调区间(不必证明);
(Ⅲ)若存在
,使得关于
的方程
有三个不相等的实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da989240786ef7c3e2d903f30caf59e3.png)
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572611780354048/1572611786801152/STEM/ab5b047262464d69aa6cea7fccbee916.png)
(Ⅰ)若
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572611780354048/1572611786801152/STEM/7a2337d8b3444c0ca5c388ef532ad669.png)
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572611780354048/1572611786801152/STEM/5446e827f054434c93d951a9eaf936eb.png)
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572611780354048/1572611786801152/STEM/059d1911a67245988716d48acf5f1eeb.png)
(Ⅱ)若
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572611780354048/1572611786801152/STEM/73c9e8f330224e948fc9d5f27d6111af.png)
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572611780354048/1572611786801152/STEM/5446e827f054434c93d951a9eaf936eb.png)
(Ⅲ)若存在
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572611780354048/1572611786801152/STEM/fe570d9fbf4444f5ade36352bff6cfba.png)
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572611780354048/1572611786801152/STEM/17b5ebddaa8544fe88d0a675160496c7.png)
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572611780354048/1572611786801152/STEM/5be2698ec00546ee91cba42e245da178.png)
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572611780354048/1572611786801152/STEM/8767f68703ad4bee847ad49353bcbc67.png)
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7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0234137d003241f8e2cc9da085148b8.png)
(Ⅰ)若
,求函数
的单调区间与极值;
(Ⅱ)已知方程
有三个不相等的实数解,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0234137d003241f8e2cc9da085148b8.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)已知方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8284299e92413d7067c4c688620a4b38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-03更新
|
668次组卷
|
2卷引用:2014-2015学年湖北省孝感高级中学高二下学期期末考试文科数学试卷
解题方法
8 . 已知函数
,其中
.
(1)若
在区间
上为增函数,求
的取值范围;
(2)当
时,(ⅰ)证明:
;(ⅱ)试判断方程
是否有实数解,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0473ffcca997f603b285fffbbfdfe39d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9210e75c35fb455d0446eb7ddba7d79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f6d1efa04a6bc0ec188ced80b9a2cd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d69d8064f04b7682db1a7b39bde673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10494773aa043788e0cea058580580.png)
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9 . 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
9-10高二下·广东潮州·期中
10 . 已知
,函数
.
(1)若函数
在区间
内是减函数,求实数
的取值范围;
(2)求函数
在区间
上的最小值
;
(3)对(2)中的
,若关于
的方程
有两个不相等的实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c314267dc3afe0632756a47ac5f1c4e7.png)
(1)若函数
![](https://img.xkw.com/dksih/QBM/2010/7/16/1569791762767872/1569791768461312/STEM/14c36ea4aaa3444b8024b038d99de44c.png?resizew=35)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fcec77177443519207ffc6afb988d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a90170d7ef5ff6d1d63517c166f7a9.png)
(3)对(2)中的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a90170d7ef5ff6d1d63517c166f7a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5920533acc1467caaccd2be000ddeab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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