名校
1 . 已知函数
,函数
的图像与
的图像关于直线
对称.
(1)若
的定义域为R,求实数
的取值范围;
(2)当
时,求函数
的最小值
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44169ab2a590a4f2a63f92a530fe3e1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86135bd40536042536c1c7bed21d0171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32100ad33dfbd5ac2f96799439e000b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a452ccd0d12ac42af2a1b571053f1b37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54479a1b02029c994c690131ae357f1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f3a7e21cd815f22f1f75e3fce6cda6.png)
您最近一年使用:0次
真题
名校
2 . 对于
,给出下列四个不等式:
①
;
②
;
③
; ④
;
其中成立的是
![](https://img.xkw.com/dksih/QBM/2016/12/2/1573191406641152/1573191412547584/STEM/1114ad11330e4451870f20b10df70035.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37642047ff1fc397908ed82f5b08daad.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5b2bb20f69849132f1b320d4dd49c98.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eebdafe06f057728796efddb12510d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b7cd218a8c1f34cb25d104e60465ac.png)
其中成立的是
A.①③ | B.①④ | C.②③ | D.②④ |
您最近一年使用:0次
2016-12-05更新
|
663次组卷
|
6卷引用:甘肃省白银市第十中学2018-2019学年高一上学期期中数学试题