名校
1 . 已知函数
.
(1)若
,求曲线
在点
处的切线方程;
(2)若
对任意 在
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9284fdba81d05e44755f9742453f908e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c887da0c850acf41ab249cc262ae39.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3417699eb4a32521b7ff1f7b2a1d5f47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b72121844b80009dd0d192cb08cc0aa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2013·辽宁·二模
解题方法
2 . 已知函数
,
.
(1)若对任意的实数
,函数
与
的图象在
处的切线斜率总相等,求
的值;
(2)若
,对任意
不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f924261fe3dc23935323d355870c89d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9f049a5f960728c60a909821b2404b.png)
(1)若对任意的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7389e5e59d418cb7d88747bcd953a416.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
3 . 已知
,(其中
为自然对数的底数),方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fa02d155187db3f87227adbf533690.png)
有四个实数根,则实数
的取值范围为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e592e5dde45175c5b6efc5a66fe94b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fa02d155187db3f87227adbf533690.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3000ec4b24dc6547cd7aaafa7c4b4405.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
名校
解题方法
4 . 若
对于
恒成立,则实数
的取值范围是_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7003cdb7a2b2029afd2f98c0e1ad90d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44c9ced2a343c4eb166f385c3dbf2217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-04更新
|
465次组卷
|
2卷引用:2016届辽宁省大连师大附中高三下学期精品文科数学试卷
9-10高二下·广东潮州·期中
5 . 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)
您最近一年使用:0次
名校
6 . 已知
.
(1)若
在
上单调,求实数
的取值范围;
(2)证明:当
时,
在
上恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42e035b66e6141c84ecd8a2ba1852de.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d4e402f43b62a3045d9f0da2e03441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63e105f6f6b355d67f33f4b2bec948b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5967cc62862986840af4dd29df4bcc41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58119f48aa8860923d1f13dd78a17c62.png)
您最近一年使用:0次
2016-12-13更新
|
1886次组卷
|
3卷引用:辽宁省大连市第二十三中学2024届高三下学期校模拟考试数学试题
9-10高三·湖南湘潭·阶段练习
名校
解题方法
7 . 已知二次函数
对
都满足
且
,设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/079f277788b447aabb0b527020dc20a4.png)
(
,
).
(1)求
的表达式;
(2)若
,使
成立,求实数
的取值范围;
(3)设
,
,求证:对于
,恒有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb38ca84b4eadbe4eaa09bb5c778d912.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1feffb0bb2658090edd0b2f9f2721fc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/079f277788b447aabb0b527020dc20a4.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5bf7d03f075e1c0a67d02a56ddd6611.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86aada6c0797463dd75408a0ad45c43e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e07a024c9ae1e811ea066430c02fd62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd1b5a2a71ae12061e768a1814f536a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/950e0e6b300b63f5424deaa89734811f.png)
您最近一年使用:0次
10-11高二下·辽宁锦州·期中
解题方法
8 . 已知函数
图象上一点
处的切线方程为
.
(1)求
的值;
(2)若方程
在
内有两个不等实根,求
的取值范围(其中
为自然对数的底数);
(3)令
,若
的图象与
轴交于
,
(其中
),
的中点为
,求证:
在
处的导数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc3606d78a0de8fede3ff9909a23e6c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/622a3bcf97cdce271d1112ccab1d542b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68bb091a949c34e1a6113c1580a1237f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81b7d58eeffa7673676dcf4f892090ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5920943d99f2044fef69d29e4aaeecb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(3)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab6b28c29a9e823cf1d6c764323d7e15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f5cd8f5dd05a04331f43a2ba55953b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f399b1f59ee66176b4038e91a3eb1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0002d5a96d9201fef8aaff81df5d35fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cc3194ba080235c76aac4bdf2d87fc4.png)
您最近一年使用:0次
9 . 已知函数
.
(1)当a=1时,求f(x)在x=1处的切线方程;
(2)若f(x)≥
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa154c9894d6d056b380f8aae16c9493.png)
(1)当a=1时,求f(x)在x=1处的切线方程;
(2)若f(x)≥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf35027e76f8ea593f82023973d4aba3.png)
您最近一年使用:0次
13-14高二下·湖北襄阳·期中
解题方法
10 . 已知
若
,使得
成立,则实数
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb87d7fcdeeb8512651551e3f4fad323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a7447aeded59957d862cfe4fd66b9a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea9655f1d25bb28f5433759c1aa2786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次