1 . 函数
满足
,那么,它是以
为周期的函数吗?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1c079afd1b058adc67a50f48f3d466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdf10803302d5182b341172e5b1ca93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
您最近一年使用:0次
2023-10-08更新
|
100次组卷
|
4卷引用:北师大版(2019)必修第二册课本习题第一章1 周期变化
北师大版(2019)必修第二册课本习题第一章1 周期变化(已下线)1.1 周期变化7种常见考法归类(1)-【帮课堂】(北师大版2019必修第二册)(已下线)§1 周期变化北师大版(2019)必修第二册课本例题§1 周期变化
2 . 下列函数中,哪些满足性质
或
?为什么?
(1)
;
(2)
;
(3)
;
(4)
;
(5)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac5f197a14e1d903d4e822388798f56c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdca802890b6e64cd5aaea5ef55d4d91.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec84404bbf6cf4a9d992e1760dcfdd4.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3daad3a31a3597f75fa109736ed2ebf.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d3cc66b811ad2395efe04d93b61c711.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28638f8c054a7bb4d9b46fde330bc76f.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c9320d009a17deba67f208c7d8be8c.png)
您最近一年使用:0次
解题方法
3 . 判断下列函数的奇偶性,并加以证明:
(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)
;
(7)
;
(8)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9b6a91900d0dfa6296cdee22fdd6fe6.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb6646ee1281b3b22e6a6ded9da1f9b3.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fa53b1acf2f52cc408f093720b3680f.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5124e480e0bfffd64470c288ede9f51b.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/629687de99fd63ec04c94ffb15b7e945.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b68af49a6c0839e9b8a1e35b44fbc437.png)
(7)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c1991c1648dec3527e23636f922d3d9.png)
(8)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b3ceaea7ce559026c96525a2b4577c4.png)
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4 . 证明函数
在区间
上递减,在区间
上递增,并指出函数在区间
上的最值点和最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b0094847f83030c5db54d40810ae4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0109d06b8be2e402b5ffbb0aeb501009.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
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5 . 已知函数
的定义域是
,
.当
时,
是增函数;当
时,
是减函数.试证明
在
时取得最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1dcee29fdf5ec1ebd5f00c494c3fcb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829cc48796c1d68d781d8435efbd88f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/444cc85251b2e65a645ebfed404f718d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a454588e9beb97c69a0332a7c5c796.png)
您最近一年使用:0次
21-22高一·湖南·课后作业
6 . 已知
,
分别是定义在R上的偶函数和奇函数,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d46ab884325ec4f927ff915096c466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a498b568d082a602cd54891f126d77f2.png)
您最近一年使用:0次
21-22高一·湖南·课后作业
解题方法
7 . 检验下列函数的增减性,并说明是否有最大最小值.如果有,指出最大最小值和最大最小值点.
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d93106b87b95328974cb1d1b11f8bd38.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ff55111da294af77bd61af1c3bb7107.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/986a7a81f207c4d6b6256a8dabe6c4ae.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5130d33540a0e5356ca136fc2e21670.png)
您最近一年使用:0次
20-21高一·江苏·课后作业
解题方法
8 . 已知函数
是
上的奇函数,且当
时
,求函数
的表达式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907e4ba6d5f2eea68442def1911957fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
您最近一年使用:0次
20-21高一·江苏·课后作业
解题方法
9 . 证明函数
的图象关于y轴对称.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a23efe548ed4056953d619c15e281fd.png)
您最近一年使用:0次