已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853fb8cb5643b4fd79cda5e7592dd9d0.png)
(Ⅰ)当
时,求函数
的最大值;
(Ⅱ)当
时,曲线
在点
处的切线
与
有且只有一个公共
点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853fb8cb5643b4fd79cda5e7592dd9d0.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9977b59a789b7cfdd49185deb2b1b0d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd817a1014876a72ad1971548ed6f52c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1b6f209d1a805437046ca6ef79dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
2011·重庆·一模 查看更多[1]
(已下线)2011届重庆一中高三考前最后一次考试理数试卷
更新时间:2016-11-30 21:44:41
|
相似题推荐
解答题-问答题
|
较难
(0.4)
【推荐1】已知函数
,其中
.
(1)当
时,求
的最小值;
(2)讨论方程
根的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e114b830a10548224cd9ef72a10199a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)讨论方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d1aca7fe4f1823384aa3791b36ed561.png)
您最近一年使用:0次
解答题-证明题
|
较难
(0.4)
【推荐2】已知函数
.
(1)求函数
的单调区间;
(2)当
时,求证:曲线
在抛物线
的上方.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87df0f9cc21cbb3bfd01c2f5f27c290b.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a498dc93f63f98990b8f63990d4fe2e0.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
名校
解题方法
【推荐3】已知函数
.
(1)求曲线
在
处的切线方程;
(2)设
,求函数
的最小值;
(3)若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70be58a0e4ed69e318e30d60e24da5e7.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c765461ae1a6c70f5cbdcb6c932a22b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25e93df64a25715a7b6aed55b0e5ad54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-证明题
|
较难
(0.4)
名校
【推荐1】(1)证明:当
时,
;
(2)已知函数
,
,
,
为
的导函数.
①当
时,证明:
在区间
上存在唯一的极大值点;
②若
有且仅有两个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8de25b9a28354ae7b7d989dd08e0958.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91fe93daa4cae316afd9cccf5fa7c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d01dc2d99655cf7598837cb0886166ed.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐2】已知函数
有两个零点.
(1)求a的取值范围;
(2)设
是
的两个零点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/512b7e63c0299fa5f7e9838251cfaf37.png)
(1)求a的取值范围;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ca13a93b5f401c0d39ba52b0cffcb0.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
名校
【推荐3】有同学在研究指数函数
和幂函数
的图像时,发现它们在第一象限有两个交点
和
.通过进一步研究,该同学提出了如下两个猜想:请你证明或反驳该同学的猜想.
(1)函数
与函数
的图像在第一象限有且只有一个公共点;
(2)设
,
,且
,若
,则
.其中
为自然对数的底,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b161347f6a2fcfd9bf0acf1e8a03fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5511a368692de27c58ec48ce968de4a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a20027d8ff971795df94a4e81f30d00.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eae1b87c23b45ce5e5e74d5b1d73234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8838adc7ebe83bcf1f22bac78c2e85.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/731bdc8d2686a05f12a2ba8a7e3b01be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2958030ec9d7543dda1f529593a915e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efdc0e0ca559f0f1af6127545f356fa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/633f26c3aae8c77e80ec8532b20d73a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dcd143a57a268a5a8ef486e2a4d5c0a.png)
您最近一年使用:0次