(1)已知函数
,求
的解析式;
(2)已知
为二次函数,且
,求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/967398940be424259c3fb988dd6b7b21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cc37945e91183afddfd6cc27f5dd402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
更新时间:2022-11-04 15:05:53
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【知识点】 已知函数类型求解析式解读
相似题推荐
解答题-问答题
|
较易
(0.85)
名校
解题方法
【推荐1】(1)已知
是二次函数且
,
,求
;
(2)已知
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46305fedfb17a208a8b4cab7ebceddfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/189e1157a2e8811dfc567c2c76933dd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b81eba32fdaa2af15f05bf8aa705c7ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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解答题-问答题
|
较易
(0.85)
解题方法
【推荐2】(1)已知f(x)是二次函数,且f(0)=0,f(x+1)=f(x)+x+1,求函数f(x)的解析式;
(2) 已知函数f(x)的定义域为
且满足f(x+1)=2f(x).若当0≤x≤1时,f(x)=x(1-x),求当-1≤x≤0时,函数f(x)的解析式;
(3) 已知f(x)的定义域为{x|x≠0},满足3f(x)+5f
=
+1,求函数f(x)的解析式.
(2) 已知函数f(x)的定义域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(3) 已知f(x)的定义域为{x|x≠0},满足3f(x)+5f
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b420db096335cfb91bb5b89fdc06233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31ee13460ae056039777fd7cef4b4c2a.png)
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