题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214856-98896.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214856-98835.gif)
(1)当
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214856-20538.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214856-48851.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214857-81423.gif)
(2)当
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214857-37688.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214857-88478.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214857-62747.gif)
(2)当
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214857-36994.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214857-88478.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214858-72518.gif)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214858-96972.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214857-88478.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214858-65485.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214858-89259.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214859-23958.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214856-20538.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214859-32973.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214859-40897.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214859-31656.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214856-48851.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214857-81423.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214900-88142.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214900-33918.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214857-62747.gif)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214900-46581.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214900-24372.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214856-98835.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214900-58870.gif)
①若
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214901-10435.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214901-57279.gif)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214901-74164.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214901-37556.gif)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214902-37542.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214902-10917.gif)
②若
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214902-29468.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214902-27724.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214903-82445.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214903-28365.gif)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214857-36994.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214903-26560.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214903-92984.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214904-67217.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214857-88478.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214858-72518.gif)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214858-96972.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214904-97983.gif)
![]() | ![]() | ![]() | ![]() |
![]() ![]() | ![]() | ![]() | ![]() |
![]() | ![]() | ![]() | ![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214901-10435.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214857-88478.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214858-65485.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214905-23152.gif)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214857-36994.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214857-88478.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214858-72518.gif)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214858-96972.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214857-88478.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214858-65485.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214858-89259.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214859-23958.gif)
核心考点
举一反三
A.y=3x-4 | B.y=-3x+2 | C.y=-4x+3![]() | D.y=4x-5 |
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214759-46301.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214759-55037.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214749-12482.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214749-12653.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214750-60244.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214746-14901.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214747-53363.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214747-62275.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214736-94686.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214737-26047.gif)
(1)若曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214737-63482.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214737-76236.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214737-26428.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214737-25850.gif)
(2)讨论函数
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214737-25850.gif)
(3)若对任意的
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214738-18250.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214738-11659.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017214738-15851.gif)
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