20-21高一下·江苏南通·期中
名校
1 . 已知向量
,
,其中
.
(1)若
,且
,求
的值;
(2)设函数
,当
时,是否存在整数
使得
的值域为
?若存在,请求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f310462a3548afa750007a5614889c6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d665aac8275eb07169842ef0c4ebb55b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a4a549ed1d52de7b6b60827e3802d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4f44474f48d66d0083fcadb6222c2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d57ebb3f3887aab618920750092dd6e.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40a5be152df7a82b3d4cbc8561230a80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e62ca9beef3cf514b4f99092b70038ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b67284ca9982944fd8bbe0a49102669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
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2021-08-27更新
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3卷引用:福建省三明市第二中学2022届高三上学期阶段2考试数学试题
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