名校
解题方法
1 . (1)解下列不等式:
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/206e8decbcecd2ecd72c04cc3fb43eef.png)
(2)已知
是一次函数,且满足
,求
的解析式;
(3)已知
,求
的解析式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c34b818d7f30d622869c2b1ad5dc303.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/206e8decbcecd2ecd72c04cc3fb43eef.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/484eb4028d2fba1d39187eb7f7668527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52718cd4a4c4002993929b537f4cc5d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
21-22高一上·全国·课前预习
解题方法
2 . 求值域(用区间表示):
(1)
,①
;②
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce71f8ee506de7f71c4b345d532dedf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/503d20a189624b4f27ae2e7e273ec8c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f851f9849dfe2c3306d20d06f712069d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c62d52fea1d1d8851d832fac02901e.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8816e30d0e2e245569bd59e0aa6d9b.png)
您最近一年使用:0次