名校
1 . 已知函数
,则曲线
在点
处的切线方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efdb554c7e11b6d212f5fea2a84f0f83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d06e33d079ac1649ee5eea8f61de7cf.png)
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名校
2 . 函数
的图象在点
处的切线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3426f99ea920d6d3e850064b78030dce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
3 . 已知
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17051f1ed050b0864c0d881a18fd257c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a587fb0ee137864d8ecd72274540af38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
名校
解题方法
4 . 若函数
的图象上至少存在两个不同的点P,Q,使得曲线
在这两点处的切线垂直,则称函数
为“垂切函数”.下列函数中为“垂切函数”的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 已知直线
是曲线
和
的公切线,则实数a=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3016baf1a9ce777f16ea9ce469b2510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8d3d19985e2f97c96d21ff4eee3066b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6076528c51f65d3fa136ff15185ccbc.png)
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名校
6 . 已知二次函数
(
且
)的图象与曲线
交于点P,与x轴交于点A(异于点O),若曲线
在点P处的切线为l,且l与AP垂直,则a的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d501ba70bc7bd9f82c6411fc6804c9a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03b011f69dfc5262a3d82f64676739b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/406185f4ad8bcd99e23adc8d289088ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 曲线
在点
处的切线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cd9c33bde28a4f5e3d085d60e71d33b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d66e9d52546beeea016d6d7d3f0ca6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 已知曲线
在点
处的切线与抛物线
也相切,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ecb869dc126c656104ae1a1a044b583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29343388ca8b33dc98325e65382b38a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071d4c1556de22088445f191a80b8a25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.0 | B.![]() | C.1 | D.0或1 |
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9 . 已知函数
的图象在点
处的切线方程为
.
(1)求函数
的解析式;
(2)求函数
图象上的点到直线
的距离的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b283519e1f427ee2a8767106ffd5eb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8021eb28e9b6fa8b4e5b7a140d1f313a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/609208fd0ab2a6f39af597fdb1039870.png)
您最近一年使用:0次
解题方法
10 . 已知函数
(
且
),若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5918d80153996c830e52e46113c4771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eb2db2cf720ecda0ef57128f7f59e0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b55f8fccade0d2612bf7575f638b985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.2 | B.![]() | C.3 | D.![]() |
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