1 . 设函数
的定义域为
,如果对任意
,都存在唯一的
,使得
(
为常数)成立,那么称函数
在
上具有性质
.现有函数:
①
;②
;③
;④
.
其中,在其定义域上具有性质
的函数的是_______ .(请填写序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37cb15d282a40c780c2b68287e47867e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28e384ba050b238e11f7c74d3002aab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e63df36c6387aab1039bc431c5317941.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b28419dc9aa7bf189c07fd7363ae10.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d2c1ac861aad057fbe7734cae19f1b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/246de316aacce5e2a1b482840ff02f82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12d9b6c2e49d3b364792fda2cab1dd48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd57ea26ad54a7381754ade671ef1ab4.png)
其中,在其定义域上具有性质
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b28419dc9aa7bf189c07fd7363ae10.png)
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2 . 画出函数
在
上的简图.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c4866f98d1510a3f80cccd3e413a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ad74d495c75fe30f77279bec77557d.png)
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3 . 在同一平面直角坐标系中,画出函数
和
,
的图象,依据图象回答以下问题:
(1)写出这两个函数图象的交点坐标;
(2)写出使
成立的x的取值范围;
(3)写出使
成立的x的取值范围;
(4)写出使
成立的x的取值范围;
(5)写出使这两个函数有相同的单调性的区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffa8ddcbbe89ab0f250f56673e2d36c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b604c6522119e77c1cb16b91532a2c1.png)
(1)写出这两个函数图象的交点坐标;
(2)写出使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edfb5839c14229e395f6a5a8cb8ab33e.png)
(3)写出使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b444aca8c3f352da41028849a17b692.png)
(4)写出使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc719bb3762ede78bca5ff040e3690b.png)
(5)写出使这两个函数有相同的单调性的区间.
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20-21高一·全国·课后作业
4 . 我们能用“五点法”画出正弦函数、余弦函数的简图,类似地你能画出正切函数
,
的简图吗?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffa8ddcbbe89ab0f250f56673e2d36c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665e92c365730c03e3bc94aed79a1058.png)
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