解题方法
1 . 当
,函数
为
,经过(2,6),当
时
为
,且过(-2,-2).
(1)求
的解析式;
(2)求
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed86d03fc8a796f649d7b501c55a67d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686f334eb0ee6904b18d46c37ab64850.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afc5119887c500b60dd3f3975068a363.png)
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解题方法
2 . 函数f(x)=
若f(x)=2,则x的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60419c03cde0c52a0e5c9d1e3d5a0458.png)
A.![]() | B.±![]() | C.0或1 | D.![]() |
您最近一年使用:0次
名校
3 . 已知
,那么
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd35a8676c9f98047ac1e0b1ae0bc530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c69303bd9eccb3ccb55c9e4cd03a8a3.png)
A.3 | B.4 | C.12 | D.15 |
您最近一年使用:0次
2021-11-23更新
|
308次组卷
|
2卷引用:甘肃省武威市武威第一中学2021-2022学年高三上学期第四次阶段性数学试题