题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132309-20850.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132309-26441.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132309-90889.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132310-67127.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132310-96956.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132309-26441.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132310-83966.gif)
(Ⅰ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132310-14932.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132311-57966.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132309-26441.gif)
(Ⅱ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132311-66175.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132311-45934.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132311-12882.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132309-26441.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132309-26441.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132311-15945.gif)
(Ⅱ)实数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132312-96767.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132312-70132.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132309-90889.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132312-87344.gif)
又
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132310-67127.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132313-93473.gif)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132313-37105.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132313-95090.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132309-20850.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132309-26441.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132313-95090.gif)
由
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132314-56450.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132314-92862.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132311-12882.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132309-26441.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132314-92862.gif)
若
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132314-85866.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132309-20850.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132311-12882.gif)
所以实数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132309-26441.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132311-15945.gif)
(Ⅱ)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132311-66175.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132314-87360.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132311-66175.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132315-57451.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132314-87360.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132314-87360.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132315-57620.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132311-66175.gif)
设A=
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132315-28843.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132315-92601.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132316-45523.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132316-35608.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132316-25425.gif)
又A=
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132315-28843.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132316-35812.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132315-92601.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132317-45362.gif)
则0<
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132317-36275.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132317-52253.gif)
所以实数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132312-96767.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132312-70132.gif)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132231-78818.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132231-68439.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132232-29862.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132232-61619.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132232-70056.gif)
①函数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132219-46093.gif)
②若
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132219-32059.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132219-63572.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132220-89861.gif)
③函数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132220-64214.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132220-90071.gif)
④在三角形
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132220-35494.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132221-50077.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132221-27934.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132221-35713.gif)
⑤函数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132221-44565.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132222-64826.gif)
其中正确命题的序号是_______________.
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132128-95219.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132128-46857.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132129-31917.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132129-21173.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132129-94173.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132129-60764.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132130-27682.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132130-89580.gif)
甲:对于任意x∈R,都有f(1+x)=f(1-x);
乙:在(-∞,0]上,函数f(x)单调递减;
丙:在(0,+∞)上,函数f(x)单调递增;
丁:f(0)不是函数f(x)的最小值。
如果其中有三个人说得正确,则这个函数f(x)的解析式可能是_______。
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132108-21175.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132109-25292.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132109-96434.gif)
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