名校
1 . 已知函数
,曲线y=f(x)在点x=1处的切线为l:3x-y+1=0,若
时,y=f(x)有极值.
(1)求a,b,c的值.
(2)求y=f(x)在[-3,0]上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aff558d53b392fdf61f3db431b39a787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e8ebd7c4463e7311f7ab4d7cd7d241.png)
(1)求a,b,c的值.
(2)求y=f(x)在[-3,0]上的最大值和最小值.
您最近一年使用:0次
2 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程.
(2)证明:
.
(3)求
的单调区间和极值.
(4)当
时,讨论函数
零点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6198e4b5d2feb72843a8b67eeb120061.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b6b9227ccfcdb2b53242e881bf2ad94.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(4)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
您最近一年使用:0次
名校
解题方法
3 . 已知函数
.
(1)当
时,求
在区间
上的最大值和最小值;
(2)若函数
存在极大值和极小值,且极大值和极小值的差不超过4,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e94018366e655a650c570377f82fe1e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
(2)若函数
![](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
名校
4 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)求函数
的极值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b69a910e5fca99e1dd907e8fae2a74.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
5 . 已知函数
,
①当
时,函数
极大值是___________ .
②当
时,若函数
有且只有一个极值点,则实数
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79888c947c5e226e94c030db0a653e07.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ccaa6e503b61e9ae78d8439cba2e328.png)
![](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
6 . 已知函数
,关于函数
给出下列命题:
①函数
为偶函数; ②函数
在区间
单调递增;
③函数
存在两个零点; ④函数
存在极大值和极小值.
正确命题的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c6bffd4b7b018fa55e2bc40947a5354.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1279ef84071f5ad7c4c1681357edd84.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
正确命题的个数为( )
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2022-06-03更新
|
712次组卷
|
2卷引用:北京市中国人民大学附属中学2021-2022学年高二下学期数学统练试题(三)
名校
7 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)求函数
的极值;
(3)当
时,设函数
,
,判断
的零点个数,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20a21999ea818acdfb48d3641f70d3b.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3882fd82c321d981b049e52eba209ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b22149b97d51ea1171c46fadee5162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ffd1f6bd3686a07efa4086a02b96a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
名校
解题方法
8 . 设函数
,其中
.
(1)若曲线
在点
处切线的倾斜角为
,求
的值;
(2)求
的极值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9c6d7b315cd74c5d2590a51743f74c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea9824af71c9da5db5a00ec06063024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
名校
解题方法
9 . 已知
是函数
的极小值点,则
的极小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce9b3c8466844ee830da617f29232c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.![]() | B.0 | C.1 | D.2 |
您最近一年使用:0次
2022-05-12更新
|
971次组卷
|
3卷引用:北京市海淀区中国人民大学附属中学2022-2023学年高二下学期期中数学复习试题(2)
10 . 已知函数
.
(1)求函数
的单调区间和极值;
(2)若方程
有三个不同的实数根,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09883fe80bde4ad8b0bc46fb9a33b29.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
您最近一年使用:0次