题目
题型:不详难度:来源:
A.y=x-1与y=![]() | B.y=![]() ![]() |
C.y=4lgx与y=2lgx2 | D.y=lgx-2与y=lg![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055117-97762.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055117-44645.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055118-35333.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055118-93119.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055118-93119.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055118-11151.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055118-55806.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055118-84298.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055119-66560.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055119-39978.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055119-39978.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055119-30862.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055119-14083.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055119-59517.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055120-92144.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055120-69044.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055119-30862.png)
故选D
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055103-58941.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055103-60597.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055103-73586.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055104-99078.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055104-38707.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055104-90382.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055103-58941.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055104-93660.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055103-73586.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055105-62414.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055105-45255.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055105-20349.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055105-53542.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055105-53542.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055105-33884.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055103-58941.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055106-91836.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055106-28197.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055103-58941.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055105-33884.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055106-21959.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055052-39207.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055053-16861.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055052-39207.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055053-53087.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055053-53087.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055053-74961.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055053-37535.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055053-72105.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055053-53087.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055054-17707.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055053-74961.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055054-86425.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055053-16861.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055054-28601.png)
(Ⅰ)求
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055054-28601.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055054-84700.png)
(Ⅱ)当
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055054-84700.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055053-16861.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055054-28601.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055054-89904.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055032-75780.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055032-91539.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055033-50875.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055033-42325.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055033-54052.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055033-85253.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055033-11228.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055003-32899.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055004-77486.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205055004-91581.png)
A.![]() | B.![]() | C.![]() | D.![]() |
A.![]() | B.![]() |
C.![]() | D.![]() |
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