题目
题型:解答题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183329-31010.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183329-85450.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183329-81922.png)
(2)设命题
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183329-20375.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183330-48885.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183330-73776.png)
于是
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183330-61165.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183330-76003.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183330-27752.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183330-35544.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183331-33169.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183330-35544.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183329-81922.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183331-50234.png)
(2)假定存在的实数m满足题设,即f(m2-m)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183331-57414.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183331-20019.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183331-78893.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183332-26098.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183332-73307.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183332-86621.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183330-76003.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183332-35337.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183332-79641.png)
又
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183330-76003.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183333-47861.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183333-16845.png)
要使复合命题
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183333-83338.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183333-66644.png)
即符合条件
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183332-73307.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183333-66644.png)
解析
核心考点
试题【(12分)已知函数的图像经过(o,1),且(1)求的值域;(2)设命题,命题q:函数在R上无极值,是否存在实数m满足复合命题p且q为真命题?若存在,求出m的范围】;主要考察你对指数函数图象及性质等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183323-24565.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183324-96931.png)
A B C D
(13分,理科做)已知函数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183319-69092.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183320-84117.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183320-60264.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183320-77509.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183320-19514.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183320-62143.png)
(1)试求函数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183319-69092.png)
(2)试比较
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183321-62975.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183321-22502.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183321-73018.png)
(3)某人发现:当x=
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183321-31683.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183321-30286.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183322-91555.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183301-85668.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183301-60402.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183302-89384.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183302-29472.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183302-42570.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183301-60402.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183301-85668.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183302-92401.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183301-60402.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183303-22532.png)
(Ⅰ)当
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183303-44205.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183301-60402.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183303-73345.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183301-60402.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183303-73345.png)
(Ⅱ)若
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183301-60402.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183303-86788.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183301-60402.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183303-52290.png)
(Ⅲ)若
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183304-80188.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183304-13416.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183304-36116.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183304-48555.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183258-32408.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183259-93090.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183248-58089.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183249-64911.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183249-72042.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183249-99055.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183249-64596.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183249-16546.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183248-58089.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183249-66938.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183249-72042.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183250-96289.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183248-58089.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183250-47118.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183250-19660.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183248-58089.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183250-96289.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183250-48528.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819183250-99336.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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