名校
解题方法
1 . 已知函数
.
(1)求函数的值域;
(2)设
,若
,
恒成立,求
时t的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39b15ec5de685c7cb62125f078c2d726.png)
(1)求函数的值域;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cde8e0f4b5532f1579e9f17fe993810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df6593a700bf3e89107556454666b787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/081a0236d948963030aa05c8b58fec8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62cb769104cb6c650dfa6a6ff6a2671e.png)
您最近一年使用:0次
名校
2 . (1)化简求值:
;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4947ab0e3b3eaa7a3d0d16b38e6cd582.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b3739f2cddb3045d7d39d1f88a2f0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac767b538138b81695e2636177f5dc14.png)
您最近一年使用:0次