题目
题型:填空题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183604-96970.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183604-60069.png)
答案
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183559-92869.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183559-88006.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183559-13889.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183600-43779.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183600-76496.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183600-21792.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183600-51659.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183600-41027.png)
⑴根据图象求
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183601-60815.png)
⑵记市场需求量为
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183601-19248.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183601-60715.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183601-25144.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183601-75978.png)
对定义在
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183549-51551.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183550-69237.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183550-86951.png)
① 对任意的
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183550-94967.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183550-36010.png)
② 当
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183550-40538.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183551-60624.png)
已知函数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183551-62189.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183551-45911.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183549-51551.png)
(1)试问函数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183551-75189.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183551-41163.png)
(2)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183551-76986.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183551-41163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183552-91180.png)
(3)在(2)的条件下,是否存在实数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183552-62321.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183552-91181.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183552-62321.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183544-79215.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183544-15943.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183544-14152.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183544-32411.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183535-95572.png)
定义
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183535-61383.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183535-82631.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183536-77573.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183536-33009.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183535-61383.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183536-93482.png)
(1)直接写出不等式
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183536-19416.png)
(2)求证:所有的点
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183536-67729.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183537-32068.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183526-68090.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183526-55225.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183527-89365.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183527-53098.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183527-91753.png)
1、(理)求线段
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183527-17194.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183528-50599.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183528-70007.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183528-12218.png)
(文)求点
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183528-79240.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183529-76972.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183529-43272.png)
2、(理)定义:“圆”是所有到定点“距离”为定值的点组成的图形,
求“圆周”上的所有点到点
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183529-94213.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183529-14559.png)
(文)求线段
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183527-17194.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183528-50599.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183528-70007.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183528-12218.png)
3、(理)点
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183528-79240.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183529-76972.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183529-33905.png)
(文)定义:“圆”是所有到定点“距离”为定值的点组成的图形,点
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183528-79240.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183529-76972.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183530-73189.png)
(说明所给图形小正方形的单位是1)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183530-35626.png)
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