名校
1 . 函数
且
恒过定点的坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2605af661cd8481fb2aa600dead49d95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cc2e93cee2e6a921b66d250bd046b33.png)
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2019-12-18更新
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569次组卷
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5卷引用:内蒙古化德一中2020-2021学年高三上学期期中考试数学(文)试题
名校
2 . 已知函数
.
(1)不论
取什么值, 函数
的图象都过定点
,求点
的坐标;
(2)若
成立, 求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7b3647e60c51a181286cf7ea93bd822.png)
(1)不论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a5a132dd919862a5e0a4f35a86b9a8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次