题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151256-44993.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151256-31607.png)
(Ⅰ)画出
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151256-57242.png)
(Ⅱ)设A=
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151257-97253.png)
(Ⅲ)方程
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151257-98230.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151257-32779.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151257-51288.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151257-61895.png)
解析
试题分析:(1)需将函数解析式改写成分段函数后在画图(2)利用整体思想把
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151258-42630.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151258-22180.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151258-48776.png)
试题解析:(Ⅰ)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151256-44993.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151258-16292.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151259-82075.jpg)
(Ⅱ)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151259-94987.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151259-42232.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151259-76488.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151300-70629.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151300-82305.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151300-92095.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151300-33704.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151301-98422.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151301-84250.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151301-70124.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151302-43423.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151302-93108.png)
(Ⅲ)由图像(2)分析可知当方程
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151257-98230.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151302-77657.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151302-39697.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151300-82305.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151302-26816.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151143-72612.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151143-18981.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151143-72612.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151144-94873.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151144-83367.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151144-51329.png)
(1)若曲线
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151144-17944.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151144-49798.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151145-44460.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151145-44229.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151145-89042.png)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151145-80108.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151146-47987.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151131-76547.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151131-83345.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151132-28882.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151132-26703.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151114-67352.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151114-40790.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151115-27250.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151115-35302.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151115-54586.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151115-27061.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151114-67352.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151116-38688.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151115-27250.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151116-27593.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151116-88630.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151114-67352.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151116-27593.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151116-49834.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151116-11340.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151102-95912.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151102-52837.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151103-50156.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151103-87768.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151103-42390.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151103-98145.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151104-71719.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151104-34802.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151104-32921.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151104-61793.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151102-52837.png)
①设
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151104-61793.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151102-52837.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151104-71719.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151105-63180.png)
②若
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151105-47994.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151102-52837.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151105-67633.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151104-61793.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151102-52837.png)
③对
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151105-37366.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151104-61793.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151102-52837.png)
④设
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151104-61793.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151102-52837.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151106-89771.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151106-91774.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151106-87041.png)
其中的真命题是 .(写出所有真命题的编号)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151042-51306.png)
(Ⅰ)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151042-33393.png)
(Ⅱ)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151043-50183.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151043-16318.png)
(Ⅲ)对于函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151043-60667.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151043-78192.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151043-59717.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151043-50660.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151043-96927.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151044-50282.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151044-57225.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151043-60667.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151043-78192.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151044-97055.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151044-21436.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151043-60667.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151043-78192.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204151043-50660.png)
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