2006高三·甘肃·竞赛
1 . 已知二次函数
满足:
则
的取值范围为.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07ea4d7797fff84b9cf2499350e7d195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9347bb4ffedcbea2f4c16d047a138d75.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
2 . 设
.若
,则数列
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e352e56475e3c1b9269a006e2b3dd9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04cbe3fa82978123e003ba5900bee057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
A.递增 | B.奇数项增,偶数项减 |
C.递减 | D.偶数项增,奇数项减 |
您最近一年使用:0次
2018-12-15更新
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413次组卷
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4卷引用:甘肃省武威市凉州区2021-2022学年高二下学期期末考试数学(理)试题