名校
1 . 已知函数
.
(1)若函数
在点
处的切线与直线
平行,求函数
的极值;
(2)若
,
,
,求
的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e4a742506e14ee1eff54cc34f198ce.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea9824af71c9da5db5a00ec06063024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36eaa4e819d4643ce02c8f3abf78b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e5a59dd9b5bb24f5e1f9edadc6882a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7863b54185da5a3f1a765e1aa0577e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
您最近一年使用:0次
昨日更新
|
202次组卷
|
2卷引用:广西示范性高中2023-2024学年高二下学期期末考试数学试卷
名校
解题方法
2 . 已知
,若对任意两个不等的正实数
,都有
恒成立,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc7654fa1eabcefdc1bc6f195d3075a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1027a9526be02a8910fee4d627274b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
昨日更新
|
280次组卷
|
2卷引用:广西示范性高中2023-2024学年高二下学期期末考试数学试卷
解题方法
3 . 已知函数
.
(1)当
时,求
的极值;
(2)函数
在定义域上为增函数,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82ae2dff8fe64fb957b4622618a97e2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
4 . 已知函数
在点
处的切线方程为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8262240fd443ffde3d0a0533144d342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a7a779e7150027ff56c6a2b3f8d2e37.png)
A.2 | B.1 | C.-2 | D.-5 |
您最近一年使用:0次
5 . 已知函数
.
(1)讨论函数
的单调性;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/184a5ea8e818f3c09fdbff0a610b6118.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bec9aa46c5ab9f4be19cb6985bb4222.png)
您最近一年使用:0次
解题方法
6 . 已知函数
,
,
,
,则
,
,
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4781d6433ae258691136003013df74b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff87f3ca64b16a55c0f070d3666cf01b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b17b9ba72a83a45d274fb0c14043e70a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d193f345c773ff0a024ecfedcd3fdd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
7 . 已知函数
.
(1)若
,
,求曲线
在
处的切线方程;
(2)当
时,曲线
过点
的切线有三条,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94daf1031a5e70ef28c527051536f531.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/019eb94a6a2b38308811470d860e1a20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
8 . 在高台跳水运动中,某运动员在
(单位:秒)时的重心相对于水面的高度
(单位:米)满足关系式
,当
时,
的平均变化率是
米/秒,则当
时
的瞬时变化率是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efab745953d01c049def56784116346e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/315a7c9116c9e068f6ec86308f2edbbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e22e1223baf7cb3d53e668c2449609.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66884efff7400f92b530d69d029778d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
A.![]() | B.15米/秒 | C.![]() | D.25米/秒 |
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9 . 下列函数求导正确的有( )
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
10 . 已知函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68413814cb3181069d4746996e0ec03c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d73bb75b197203cd0bd5a6e12aaf4a3.png)
A.![]() | B.1 | C.![]() | D.2 |
您最近一年使用:0次