已知
是定义在区间
上以2为周期的函数,对
,用
表示区间
,已知当
时,
.
(1)求
在
上的解析表达式;
(2)对自然数k,求集合
使方程
在
上有两个不相等的实数根
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ff4a1f5d3ad9d7668fe555e70b774c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a173784888adf2946382fa093ba53a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d696408691dded253e6d2039107bfc8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/956b4623cfd9b8759e9a8b808b9e8b70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae65b7f01670839d4def12efc64540bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318a16f1950d06e5500c76d8f81a507f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d696408691dded253e6d2039107bfc8b.png)
(2)对自然数k,求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2762f0be2545076e8d2280512bd1fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e9ecfdf2ec90ea96e104158aec81c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d696408691dded253e6d2039107bfc8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ca8bdc812627d925f00ed7c145d696.png)
更新时间:2021-09-25 07:21:14
|
相似题推荐
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】已知函数
的定义域是
,且
,
,当
时,
.
(1)判断
的奇偶性,并说明理由;
(2)求
在区间
上的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0264e9fd28ff510bbad2a2f4bbb2a51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b568b2cee9ef2a32d2f27305a9104d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d30476c259449b920315d0ea2e8c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7511e6ce72a5232820b7007f976be9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc4e3775c850f1c1804f9eb7a70153a.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/118d9c160ab27e1cfa882bc84d3ceb83.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
解题方法
【推荐2】设
为定义域为
的函数,对任意
,都满足:
,
,且当
时,
.
(1)请指出
在区间
上的奇偶性、单调区间、最大(小)值和零点,并运用相关定义证明你关于单调区间的结论;
(2)证明
是周期函数,并求其在区间
上的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a3556b7e9458ec54d4cf1de17a5649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34ea832b11f5a84b9bf3020271480631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b24e7a6926a39f7be015218876573b63.png)
(1)请指出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
(2)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd765b568d695310edf942421a1cf499.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐3】 、若函数y=f(x)是周期为2的偶函数,当x∈[2,3]时,f(x)=x-1.在y=f(x)的图象上有两点A、B,它们的纵坐标相等,横坐标都在区间[1,3]上,
(1)求当x∈[1,2]时,f(x)的解析式;
(2)定点C的坐标为(0,a)(其中2<a<3),求△ABC面积的最大值.
(1)求当x∈[1,2]时,f(x)的解析式;
(2)定点C的坐标为(0,a)(其中2<a<3),求△ABC面积的最大值.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐1】已知函数
且
经过定点
,函数
且
的图像经过点
.
(1)求函数
的定义域与值域;
(2)若函数
在
上有两个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292b8e54575ab3b1d02caf66d09a7ee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1ebc40126e8670e98e25c50f042511.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65ede877f4dfa6b0a9a4c2e749e8fc27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb0c14fb6962bcd891415fd08ccdcd69.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e49d5c958bc0378869fa09b68d656e58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390c620c0fd4a2cd8622171bdaf05f5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知函数
.
(1)是否存在实数
,使得函数
在区间
上的值域为
?请说明理由;
(2)若存在实数
,使得函数
在区间
上的值域为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9780822e89d640bff65253bf5009052d.png)
(1)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
(2)若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad8af7bed124f00c8e19b52d028b4d90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐3】已知集合
,集合
.
(1)当
时,求
;
(2)若
求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e28c308af72eb4c419055d375d6bdc91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b7c5fb97d24a54410ac59b385bc0c28.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b658073290f86caa251e6605fb825a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c4baa718e7a86b3d84a68f56e030b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9168274ae1d5f93647f01b4455a8d42a.png)
您最近一年使用:0次