11-12高三上·河南郑州·阶段练习
名校
1 . 已知函数
,
.
(1)当
时,若
在
上单调递减,求a的取值范围;
(2)求满足下列条件的所有整数对
:存在
,使得
是
的最大值,
是
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b95acabcb5f382be93061261c09d37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8245d1913404b25dd2f38c4d7cedae8b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6917102593bbf0a15e4730bc05931968.png)
(2)求满足下列条件的所有整数对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79f8b33ee2721f366897f7fa1ce5a1d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7417645b760b0e03cfe0bcdaa6a1d93e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10ad6776465314af33ec65e9e69b4b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
您最近一年使用:0次