(1)证明不等式:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/961de8fb2089fd382570b224a4b3472a.png)
(2)已知函数
在
上单调递增,求实数
的取值范围.
(3)若关于x的不等式
在
上恒成立,求实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/961de8fb2089fd382570b224a4b3472a.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b236b62c714d2bfc582a6039139c85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a141e697b1a31a9a4e759984e899a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/586f6bb9b36d48f9c5b830cde4f6a82a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/781baa37df9e57dca049ee0f7c8b2122.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
2012·湖北·二模 查看更多[1]
(已下线)2012届湖北省八校高三第二次联考理科数学试卷
更新时间:2016-12-01 18:36:28
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相似题推荐
解答题-问答题
|
较难
(0.4)
【推荐1】已知函数
.
(1)若函数
在区间
上单调递增,求实数
的最小值;
(2)若函数
区间
上无零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f556e2722835b5f477dd7cb9ee3a13.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解答题-问答题
|
较难
(0.4)
名校
【推荐2】已知
,函数
(
是自然对数的底数).
(Ⅰ)若
,证明:曲线
没有经过点
的切线;
(Ⅱ)若函数
在其定义域上不单调,求
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd9736828195f010db4e1f0a9dea7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e982336a73cd97d13ac54a61b462f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d218992d1942266d7208e476d0c4100.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196be101149acfb6a6c4ceca7fc96828.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cadc19c612bc218c20b8293521e64ae5.png)
(Ⅱ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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解答题-问答题
|
较难
(0.4)
名校
【推荐1】已知函数
,其中
为自然对数的底数.
(1)讨论函数
的单调性;
(2)若函数
有两个零点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5261424cfa677a56c31d5be78b4c009.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ea11379ba50489c61f33968a462107.png)
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较难
(0.4)
名校
【推荐2】设函数
.
(1)求函数
的单调区间;
(2)若
存在两个极值点
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb50d68ca633ea6d4e38b85ca68a0852.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ee79e4103e0f4d99a0001da2a973b6.png)
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较难
(0.4)
名校
【推荐1】已知函数
.
(1)求函数
在
处切线方程;
(2)若对任意的
,
恒成立,求
的取值范围;
(3)当
时,设函数
,对于任意的
,试确定函数的零点个数,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c79e53eb045a1368e2c2513dca431467.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eb29b273ea2b765519835eef9faac37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27ce93b9f0ea8d7e3a5e4a4f2fcacf45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2817c52144d06555e98131b5e657c4.png)
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解答题-证明题
|
较难
(0.4)
【推荐2】设函数
.
(1)若曲线
在点
处的切线方程为
,求
的值;
(2)若
,求实数
的取值范围;
(3)求证:当
时,函数
不存在零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498cb6b054ada6ffd3ad18a19e48d7e4.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e284a39322f754d578378719404e7b05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e189dbc979fad6bf8ca03ac1388cbac0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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