设函数
满足:①对任意实数
都有
;②对任意
,都有
恒成立;③
不恒为0,且当
时,
.
(1)求
的值;
(2)判断函数
的奇偶性,并给出你的证明.
(3)定义“若存在非零常数
,使得对函数
定义域中的任意一个
,均有
,则称
为以
为周期的周期函数”.试证明:函数
为周期函数,并求出
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbd7c07c79975959b0b4c0146c396eb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84162121418bc7965e66f317079345d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca542e78b7d77d008c9c4752afa91a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b61adc4745f283e4072ddd762f92ffe.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9b4297c57a4526f85fce9e67ce5d2d.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)定义“若存在非零常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f20de8ab2f617d332d059951bd3bba42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5e6f0748751c796b275e4615142cccb.png)
18-19高一上·福建厦门·阶段练习 查看更多[2]
更新时间:2020-02-20 23:41:21
|
相似题推荐
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】定义在
上的偶函数
在
内是减函数,函数
的一个零点为
,求
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdfed8d6862125dc1fecfce0322a750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/466a896ac4c0c99a724608bd37db2a71.png)
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名校
解题方法
【推荐2】定义在
上的函数
满足:对任意的
都有
,且当
时,
.
(1)判断
在
上的单调性并证明;
(2)求实数t的取值集合,使得关于x的不等式
在
上恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eeedfe06363c256f8fb8ecefb5eb84e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3a09e51fef904a5e8a013ea691d813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d4d176cd4cefa84cd1cec0163689703.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7511e6ce72a5232820b7007f976be9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d655ee6d4c2285b6f59652360862d2.png)
(2)求实数t的取值集合,使得关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7537a57a681285c0ca0f99ab0774071e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eeedfe06363c256f8fb8ecefb5eb84e.png)
您最近一年使用:0次
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【推荐3】已知定义在
上的函数
满足
,当
时,
,且
.
(1)求
;
(2)判断
的奇偶性,并说明理由;
(3)判断
在
上的单调性,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a28068770a85b88b42321cd71ecd3c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1354afc99cadcf6070d6d15861aff0b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87cd4403487962c38c8707ba3ab3fa3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad437e8992879263760f235e0ba71c3.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9414348d57c7fc77dcfa8f0744cb0c9.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1】设
是定义在R上的偶函数,其图象关于直线
对称,对任意
,
,都有
,且
.
(1)求f
;
(2)证明
是周期函数;
(3)记![](https://staticzujuan.xkw.com/quesimg/Upload/formula/610e5598d7ded93073255ec6ffffa677.png)
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed23c4c7f814c8c820b2db90865707d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed2c19936da7bc1214ddb080ca79e999.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c487f427a970a1c07d5b74eac5e4286.png)
(1)求f
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a54070112efc290663c97d1368dd8fc.png)
(2)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/610e5598d7ded93073255ec6ffffa677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c96813fcb62cf6aeff6b1524c9c56f60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
解题方法
【推荐2】已知函数
是定义域为R的奇函数,且它的图象关于直线
对称.
(1)求
的值;
(2)证明: 函数
是周期函数;
(3)若
求当
时,函数
的解析式,并画出满足条件的函数
至少一个周期的图象.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54b6a060d6c51a328341df76013bd89.png)
(2)证明: 函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a3a5891eb4d6e5340628db9e99a3e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.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1】设
是定义在R上的偶函数,其图象关于直线
对称,对任意
,
,都有
,且
.
(1)求f
;
(2)证明
是周期函数;
(3)记![](https://staticzujuan.xkw.com/quesimg/Upload/formula/610e5598d7ded93073255ec6ffffa677.png)
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed23c4c7f814c8c820b2db90865707d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed2c19936da7bc1214ddb080ca79e999.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c487f427a970a1c07d5b74eac5e4286.png)
(1)求f
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a54070112efc290663c97d1368dd8fc.png)
(2)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/610e5598d7ded93073255ec6ffffa677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c96813fcb62cf6aeff6b1524c9c56f60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
您最近一年使用:0次
解答题-问答题
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(0.65)
名校
解题方法
【推荐2】定义域为
的奇函数
同时满足下列三个条件:①对任意的
,都有
;②
;③对任意
、
且
,都有
成立,其中
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86d78dec1c1e00ec02d7bdaf76ef8901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249a976e88133f3b3733f09137cf5c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aadae85764946eca7b6dac1f03fed7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7870c36161f465fc992534b5fc3777f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87baf85adfa1eeb425d548d90f7edf2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a99e975bbbe78e29727b5a08dbc2b6.png)
您最近一年使用:0次