2011·湖北省直辖县级单位·三模
解题方法
1 . 已知函数
,
.
(1)若函数
在
时取得极值,求
的单调递减区间;
(2)证明:对任意的
,都有
;
(3)若
,
,
,求证:
(
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b353965a839faccfe8692822c5d7bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b8ee975a46f98d84a7790e6be0ef2a3.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f50750782cfc3d4fbe990473027516f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f56a20bc5fce6b02217627b42249854.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
(2)证明:对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1df4a8b3a9f5a91db0fca4b9cb9b8fa7.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/203c46b854cc63681756ffc89e91713e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e19a71fc2da2a66e2538acda02947c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adca5c10df3ad920c978e1963501679c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
您最近一年使用:0次
2011·湖北省直辖县级单位·三模
2 . 已知
,函数
,设
,记曲线
在点
处的切线为
.
(1)求
的方程;
(2)设l与x轴的交点为
.证明:
①
;
②若
x,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0fd955cb11fbb502fdfe97c264a97b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6270bb08b90f72d5671ab8225f356c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8674b8c449a74c37fef3407f2ffcd582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设l与x轴的交点为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb652143b43cc9439a347b2b1dc5cf6.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e37ca83d51488ea2896f8348a626b705.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c4b0f8de92236de6f22825f73084c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0de268b006b96ceba6298511cb0bdb3.png)
您最近一年使用:0次
10-11高二下·内蒙古赤峰·期中
解题方法
3 . 已知函数
.
(1)求函数
的最大值;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64263fe2ca48e694c87496d61e63fb9f.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb2b4826ca175ea14646ddd7f9ec441.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e14206c7d228a7c2259a7b27da8813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/463aff6a1273d8cc8ff4d2ee3378c2e7.png)
您最近一年使用:0次
10-11高二下·湖北黄冈·期中
解题方法
4 . 设函数
在
处的切线与直线
平行.
(1)求
的值;
(2)求函数
在区间[0,1]的最小值;
(3)若
,根据上述(1)、(2)的结论,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae910e9c3e27af2fe87f8f5a0d40ef24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f704327454e88b526ac0e9cfa5a67b2b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4e9ec65a2c48acabba300b8d50e3717.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adeadb7423dc06cbdfa6e79ac29f94e9.png)
您最近一年使用:0次
10-11高三·湖北黄石·阶段练习
解题方法
5 . 已知函数
的图象在
处的切线与直线
平行,
(1)求实数a的值;
(2)若方程
在[2,4]上有两个不相等的实数根,求实数m的值范围;
(3)设常数p ≥1,数列
满足
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01edd5a9e2b0de35bc4ca82668325b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3aa3adcb154f6144903d456289ecb0f.png)
(1)求实数a的值;
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db3029d9f285c6232a5024baa0e65b89.png)
(3)设常数p ≥1,数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac032191dcd4a2965f4233d041032cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c5aaf96c7e2b3485b36a86fe8076a0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbb71aacea5a3e019c3d081428834f85.png)
您最近一年使用:0次
10-11高三·湖北武汉·阶段练习
解题方法
6 . 设定义在R上的函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005e3bdc7c6543dbfb0b2eb579272909.png)
.
当
时,
取得极大值
,且函数
的图象关于点
对称.
(1)求函数
的表达式;
(2)试在函数
的图象上求两点,使以这两点为切点的切线互相垂直,且切点的横坐标都在区间
上;
(3)设
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005e3bdc7c6543dbfb0b2eb579272909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd8b53b1f52fe234032aba89b69fa663.png)
当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b727eb9da56be079445321cf61cf26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6554ac3dff4a59833e407db887f6e6.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)试在函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5b7c33e173f1b21fcae43ebccf1e3a.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84bf5619c7a00b0a7a18a425f9fc07a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/664f9415c2f32005096917216622457e.png)
您最近一年使用:0次
7 . 已知函数
的图象在点
处的切线方程为
.
(I)用
表示出
;
(II)若
在
上恒成立,求
的取值范围;
(III)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b198677e91defa3ffba5e1865eb387c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
(I)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9a475fec8ded321e10a6697319fb975.png)
(II)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f890eb5d86a7484141a8aa9d946552df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(III)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aac55d3e280c5629d97e619bf074430.png)
您最近一年使用:0次
2016-11-30更新
|
2412次组卷
|
8卷引用:2010年普通高等学校招生全国统一考试(湖北卷)数学(理科)
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