已知
(
且
)是R上的奇函数,且
.
(1)求
的解析式;
(2)把区间
等分成
份,记等分点的横坐标依次为
,设
,记
,是否存在正整数n,使不等式
有解?若存在,求出所有n的值,若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a6c5efcad0045395a02ec73b3ee976.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f5c80755f525d04bdb2b2b416f21fe9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)把区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b094cba781181aeb90752170e9ba6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d51f9147b8265c0276c1f2c2659197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252b10b687f3475217ad6a5c19b5a4f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48e07d3412eb372f07bf11693ae55f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e40d774f90db23b328fccbc8a74c601f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/142865ccd70d68cde638b922372722f9.png)
更新时间:2022-03-18 09:29:43
|
相似题推荐
解答题-问答题
|
较难
(0.4)
名校
【推荐1】如果函数
的定义域为
,且存在常数
,使得对定义域内的任意
,都有
恒成立,那么称此函数具有“
性质”.
(1)已知
具有“
性质”,且当
时,
,求
的解析式及在
上的最大值;
(2)已知定义在
上的函数
具有“
性质”,当
时,
.若
有8个不同的实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8c3675428080c934c21ddb709ef68b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbde2170c24819edd47db617810bf47.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ba837ccb2f36f9dcef19706e5a1f27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a69958d466dcfaafc9e3205009e61b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
(2)已知定义在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a5d8bc28ee110a9540f383828b7d245.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636289ad84b4a3a51095dd32ca201f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd9fdacff92d7e6eedeb870089b51752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0180ee75f2551b08d996cbe6b292356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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【推荐2】已知定义在
的函数
,设
.
(1)若
是定义在
上的偶函数,当
时
,试讨论
的单调性;
(2)设
,
为数列
的前
项和,求满足
的正整数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa03986b9344fdcf1579bbf957df643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684ad28f65278a86da53d2e8174affe2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a2fe31f8cc463aeff5f7bafa6dba5e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee0cfceb10b2ff10bf43b56485d67b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29995f0d4f706fee5f5ea22f87c22a89.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0fa113ba48f63a6c92c6d601afb2ae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4091c4e56df017487aa76ec0048e1e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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解答题
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【推荐1】设
是定义在
上的函数,如果存在
点,对函数
的图象上任意点
,
关于点
的对称点
也在函数
的图象上,则称函数
关于点
对称,
称为函数
的一个对称点,对于定义在
上的函数
,可以证明点
是
图象的一个对称点的充要条件是
,
.
(1)求函数
图象的一个对称点;
(2)函数
的图象是否有对称点?若存在则求之,否则说明理由;
(3)函数
的图象是否有对称点?若存在则求之,否则说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7903097d9663549d86e6267da59537a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998c0db808ca2e59ba78b8626b831238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0be07495dbc744e1ecabac66f748218.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7bc57a9ac3f82c3b8af4fe78e5c861b.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beffdfb7cc0e3cfa218036dd93e98435.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6951cd7368f990c67b826fabce897686.png)
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解题方法
【推荐2】已知函数
.
(1)证明函数
的图像关于点
对称;
(2)若
,求
;
(3)在(2)的条件下,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1590dc8531070cf8bb9cacb637b132e.png)
,
为数列
的前
项和,若
对一切
都成立,试求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b1dde2ed03e165f2490276b9bebf7c.png)
(1)证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/461d7c9510f0cd34115560268e06da80.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16253acdda1ff4ec5fe09450d5f5114e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(3)在(2)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1590dc8531070cf8bb9cacb637b132e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/496f9d942ea034a488544eceef6d84c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26494ed736ae54119dfba0508d0c69ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209559aca6bf32705588b6a40e0b7320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
解题方法
【推荐1】设
是一个定义域为
的函数.若
是
的一个非空子集,且对于任意的
,都有
,则称
是
关联的.
(1)判断函数
和函数
是否是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6535346c47957c14aa0987f66ad25d04.png)
关联的,无需说明理由.(
表示不超过
的最大整数)
(2)若函数
是
关联的,且在
上,
,解不等式
.
(3)已知正实数
满足
,且函数
是
关联的,求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084df0babb739a54a118e5a1b6800891.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0590061eec8dc72a825b9bd309912c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da6f7c4470c8478d7c7cf1911fe375f.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7e3204e4dc47a448860779349efcedf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6535346c47957c14aa0987f66ad25d04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfc339cf6dd66599db64fa3fa44e608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77304f8a896285017e8ba2d9d5bc8d6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa774d7d80401d380a9f6b63112d4a4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee6881a170f6ef9ed5c133b95c2f448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/974296ff9c97484ef099a11d3dd23ff9.png)
(3)已知正实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b570b802d338d0d906c73fffe1a2a45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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【推荐2】已知函数
是其定义域内的偶函数.
(1)求
的值;
(2)若函数
,求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe8bd3838407e6be8e86cbae920a45bf.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4653f871cd86968880d57e9964d3ac89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee31b9dffcd91ff2f5477410bc09f95.png)
您最近一年使用:0次