求下列函数的值域:
(1)y=
-1;
(2)y=
;
(3)y=2x-
.
(1)y=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f457e696b1504bfb73140699a8e18dd0.png)
(2)y=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac999b550caf137e8d3dcd04e27c6b7.png)
(3)y=2x-
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67156a68e3937a0114be1b502e0ab5ae.png)
20-21高一·全国·课后作业 查看更多[1]
(已下线)3.1.1+函数的概念-2020-2021学年高一数学新教材配套学案(人教A版必修第一册)
更新时间:2020-08-08 21:27:42
|
【知识点】 复杂(根式型、分式型等)函数的值域解读
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【推荐1】求下列函数的定义域和值域.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f14420e6ee5da16b8aeb10761b77fa6.png)
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f14420e6ee5da16b8aeb10761b77fa6.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee785f9dd606272b46bf9ccca461b3c2.png)
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解答题-问答题
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较易
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解题方法
【推荐2】(1)求函数
的值域;
(2)已知
是二次函数,且满足
,
,求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efdf1ae76fda111d380dbbc2c78e8d9c.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e61c9a7ed0961f8977a21dab37aab396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c811aac7882ab358d59ee0ee49a029d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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