已知函数
的图象相邻对称轴之间的距离是
,若将
的图象向右移
个单位,所得函数
为奇函数.
(1)求
的解析式;
(2)若关于x的方程
在
上有三个解,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a1b444bc936b534192b077ebe66e35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cdb8370dd05c0eade8767fbde36de50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c21376567e7a56b85e967dc4f2a5cef3.png)
更新时间:2022-05-02 07:25:01
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】已知函数
.
(1)求
的最小正周期及单调增区间;
(2)当x取何值时,
取最大值?最大值是多少?
(3)若函数
在区间[a,b]上至少含有30个零点,在所有满足条件的区间中,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f6a481fb11b06ee1c94ace3bcf8a375.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当x取何值时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13502d46b8563c54c09b29b20b3006a4.png)
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解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐2】已知向量
,函数
,
.
(1)当
时,求
的值;
(2)若
的最小值为﹣1,求实数m的值;
(3)是否存在实数m,使函数
,
有四个不同的零点?若存在,求出m的取值范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a9aa824369d5d0d334842aaebfbee06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff47525513cb5a56444c665c544c491e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2acc1815579351bd6b214b6e7a25629e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b87f4ef298bdeebf59a0d850aff72c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)是否存在实数m,使函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9051372dba27592c0ccd99601095b1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46bb700769d578c7ed2b6a650400b926.png)
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解答题-问答题
|
适中
(0.65)
【推荐3】已知函数
的图象恒过定点
,且点
又在函数
的图象上.
(1)求实数
的值;
(2)解不等式![](https://img.xkw.com/dksih/QBM/2015/12/29/1572400715620352/1572400721633280/STEM/3a20a894be984b5ca416f15eb5fc8cca.png)
;
(3)当方程
有两个不等实根时,求
的取值范围.
![](https://img.xkw.com/dksih/QBM/2015/12/29/1572400715620352/1572400721633280/STEM/b26f1d6814204942b71d410e457a2599.png)
![](https://img.xkw.com/dksih/QBM/2015/12/29/1572400715620352/1572400721633280/STEM/b40bcfda632741f9abde3e50b1db4ec2.png)
![](https://img.xkw.com/dksih/QBM/2015/12/29/1572400715620352/1572400721633280/STEM/b40bcfda632741f9abde3e50b1db4ec2.png)
![](https://img.xkw.com/dksih/QBM/2015/12/29/1572400715620352/1572400721633280/STEM/9dbcf8a500f148f68bdc77891868416a.png)
(1)求实数
![](https://img.xkw.com/dksih/QBM/2015/12/29/1572400715620352/1572400721633280/STEM/48f1efe9bf06423280a0ebb6ae027dcb.png)
(2)解不等式
![](https://img.xkw.com/dksih/QBM/2015/12/29/1572400715620352/1572400721633280/STEM/3a20a894be984b5ca416f15eb5fc8cca.png)
![](https://img.xkw.com/dksih/QBM/2015/12/29/1572400715620352/1572400721633280/STEM/1f89340a46404102aec13633e9ee0c5f.png)
(3)当方程
![](https://img.xkw.com/dksih/QBM/2015/12/29/1572400715620352/1572400721633280/STEM/a02ea5c5d08f4b028fcdb925b2703fe3.png)
![](https://img.xkw.com/dksih/QBM/2015/12/29/1572400715620352/1572400721633280/STEM/d1e88f32ef814a0b8307c2d5957a1215.png)
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解答题-作图题
|
适中
(0.65)
解题方法
【推荐1】已知
是函数
图象的一条对称轴.
(1)求
的值;
(2)求函数
的单调增区间;
(3)作出函数
在
上的图象简图(列表,画图).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b87a2a38506204a9f34596d5c171eae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c261519a11a3c2f88dd202e9ef1ecdc7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)作出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
![](https://img.xkw.com/dksih/QBM/2015/11/27/1572324969529344/1572324975263744/STEM/ab68370ed0a64ae082bd59f02ecea497.png?resizew=302)
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
为奇函数,对
,
恒成立,且
.
(1)求函数
的最小正周期和单调递增区间;
(2)将函数
的图象向右平移
个单位,再把横坐标缩短到原来的
,纵坐标不变,得到函数
的图象,当
时,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0850fbf7978da1492d7ee281e84c4a29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c4020b17f7ad2d5f179b3f6b01898e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447ae9234a32030494dde471e5d8d10a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b63a87545fb8a1913ad16e376d42bd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】已知函数
的图象与
轴的两个相邻交点是
,
,
是函数
图象的一个最高点.
,
,
分别为
的三个内角
,
,
的对边,满足
.
(Ⅰ)求函数
的解析式;
(Ⅱ)将函数
的图象向左平移1个单位后,纵坐标不变,横坐标伸长为原来的
倍,得到函数
的图象,求函数
的单调递减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e6f3ecf9c8dbf0c7ebed56acbf9b479.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a44fbffcf19a245f3428ba0c35937993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b00c7d98aa59fe7e9b6001181ba542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/834fecb94fb0e3227ba38ce5ce9a0494.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】已知
的三内角分别为
,向量
,
,记函数
,
(1)若
,求
的面积;
(2)若关于
的方程
有两个不同的实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5180a424933123032758b3ee1ff419c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62877945a000b044157676030dace416.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b280fdba10d8b5f679f71012d84782fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e65cb48092f8b5bd31760a68d4639c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51661481bbb5c84f7a840772fda45375.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6a1d3f8d72785554c05e3c0810fddd4.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
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适中
(0.65)
名校
解题方法
【推荐1】已知函数
,
(
,
,
)的图像与
轴的交点中,相邻两个交点之间的距离为
,且图像上一个最低点为
.
(1)求
的解析式,对称轴及对称中心.
(2)该图像可以由
的图像经过怎样的变化得到.
(3)当
,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ad37b7b16a7d4699290646e0f010f4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af87a22a39bd12c4734b0bdf1596b42a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a4ca12bacbf615277ca64d70c14247.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)该图像可以由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3162d2c7b650bba3e401ffbb1e13bb45.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65dc08f706c3f4f016db58dc239511f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】已知函数
.
(1)利用“五点法”画出函数
在一个周期
上的简图;
(2)先把
的图象上所有点向左平移
个单位长度,得到
的图象;然后把
的图
象上所有点的横坐标伸长到原来的2倍(纵坐标不变),得到
的图象;再把
的图象
上所有点的纵坐标缩短到原来的
倍(横坐标不变),得到
的图象,求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b83ad27bd1e5c08376e1965b12be4.png)
(1)利用“五点法”画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a0d92995ee48fb5a9192441ba15a83b.png)
(2)先把
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de12bbd5097debc83d6a46364589748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a6d218e29eb72e6bc84059b46a8e582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a6d218e29eb72e6bc84059b46a8e582.png)
象上所有点的横坐标伸长到原来的2倍(纵坐标不变),得到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b58ffc0cfd0a073cb8a8bcc783ce9fb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b58ffc0cfd0a073cb8a8bcc783ce9fb4.png)
上所有点的纵坐标缩短到原来的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb84f6fbac102ccf326b2223d69cb7cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd330acca8e17f5ff9aca1f0f312df50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd330acca8e17f5ff9aca1f0f312df50.png)
您最近一年使用:0次