题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171501-40095.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171501-21520.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171501-99922.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171502-76906.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171502-93506.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171502-82528.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171502-64115.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171503-79206.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171503-59184.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171502-82528.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171502-82528.png)
A.1 | B.2 | C.3 | D.4 |
答案
解析
试题分析:函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171503-55641.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171502-64115.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171503-94820.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171503-32773.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171504-21930.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171504-66227.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171504-21930.png)
核心考点
试题【符号表示不超过的最大整数,例如,,定义函数,给出下列四个命题:(1)函数的定义域为,值域为;(2)方程有无数个解;(3)函数是周期函数;(4)函数是增函数.其中】;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/20200204/20200204171444-57407.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171444-60848.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171444-39022.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171444-63557.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171445-17262.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171445-30489.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171445-26576.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171444-60848.png)
(1)试验证
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171445-38928.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171444-57407.png)
(2)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171444-60848.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171444-60848.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171435-13431.png)
(1)求实数t的取值范围;
(2)当
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171435-77218.png)
(3)过原点作两条相互垂直的直线分别交圆F于M、N、P、Q四点,求四边形
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171435-68670.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171406-20566.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171406-48110.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171406-34213.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171406-63645.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171406-11225.png)
(1)判断
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171406-11225.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171406-48110.png)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171406-77267.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171406-48110.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171406-20566.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171407-35476.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171407-94754.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171407-29890.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171407-84524.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171347-44324.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171347-22657.png)
A.0 | B.1 | C.2 | D.3 |
①
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171333-44977.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171333-94785.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171334-26240.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171334-29396.png)
③
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171334-88257.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171334-77153.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171334-38663.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204171335-24923.png)
A.①② | B.①③ | C.②④ | D.①④ |
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