题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102045-44766.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102045-44766.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102045-32917.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102045-13494.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102045-28485.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102046-64180.png)
A.①② | B.②③ | C.②④ | D.③④ |
答案
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102046-21130.png)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102046-94485.png)
②
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102047-53398.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102047-64103.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102047-17093.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102047-57555.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102047-29285.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102048-34472.jpg)
③
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102048-28581.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102048-44573.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102048-81251.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102048-77741.jpg)
④
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102046-64180.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102047-64103.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102048-56518.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102049-60760.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102046-21130.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102049-30695.png)
核心考点
试题【若在曲线上两个不同点处的切线重合,则称这条切线为曲线的“自公切线”.下列方程:①;②;③;④对应的曲线中存在“自公切线”的有( )A.①②B.②③C.②④D.】;主要考察你对函数的相关概念等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102007-23801.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204102008-18031.png)
A.0 | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101952-71473.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101953-59513.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101953-18364.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101953-43754.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101954-81590.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101954-17429.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101954-14758.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101954-23468.png)
A.![]() | B.![]() |
C.(1,2) | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101845-36567.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101754-90170.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101754-81901.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101755-11603.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101755-17101.png)
(1)求实数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101755-70253.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101755-64561.png)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101756-54762.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101756-59296.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101756-95424.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101756-65319.png)
(3)若正实数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101757-52343.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101757-80811.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101757-34634.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101757-59358.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101757-92578.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101758-45268.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101758-24684.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101758-49229.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101758-30047.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204101759-12283.png)
A.x-1 | B.x+1 | C.2x+1 | D.3x+3 |
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