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解题方法
1 . 已知函数
(
为常数)与函数
在
处的切线互相平行.
(1)求函数
在
上的最大值和最小值;
(2)求证:函数
的图象总在函数
图象的上方.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f2d4b91e1a2914ecee9376944a410b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c18ea9d563e1194e3e46c6da53ebb51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9210e75c35fb455d0446eb7ddba7d79c.png)
(2)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
您最近一年使用:0次
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2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac54d7e38440d4685b5d7e62b60dd1d5.png)
(Ⅰ)求
的单调区间;
(Ⅱ)求
在区间
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac54d7e38440d4685b5d7e62b60dd1d5.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b924fa9c07d6408f5a04d8a1c9edca.png)
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3 . 已知
,函数
,
是
的导函数
(1)当
时,求函数
在
内的零点的个数.
(2)对于
,若存在
使得
,试比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42a35b6aec2e424e33858fcb2a92c3c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9719da24f478f7515eb56d5ce85025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61b4ceef651d43872a078d48092417d0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be604061cf1591f7069472269d4c9719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e5f15cfb555bf0c789ae495cd366745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
(2)对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eedf333393bdf56f8b428e9a7d2eb3de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d026186c3611132c1671391a6dc26e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/275a190315b375cf65eeb2fc41053a61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267572d2dff2dc38cf9251b7f33a3e61.png)
您最近一年使用:0次
2018-02-09更新
|
294次组卷
|
3卷引用:重庆市第一中学2017-2018学年高二上学期期末考试数学(理)试题
名校
4 . 已知函数
在
处切线为
.
(1)求
;
(2)求
在
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7661fdf9e954cef2b921c0d0503bb2e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d3ac21cc8b4044ef139c63a0c7e4c9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4baf136f7d2f7752eac9f58eb1c7ba45.png)
您最近一年使用:0次
解题方法
5 . 已知函数
.
(1)求
的最值;
(2)若函数
有两个不同的零点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e848c12893270099ba432e921c581f7a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6f8062ae945803fa02f0fac5c4ba2f9.png)
您最近一年使用:0次