已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f741b2d0f172ca86f7b7e62003b54430.png)
(1)求
的最小正周期和单调递增区间
(2)若
时,函数
的最小值为2.试求出函数
的最大值并指出x取何值时,函数
取得最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f741b2d0f172ca86f7b7e62003b54430.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd65d7c5e979706d391163aee2c18cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a526208da27d53bae502442a92285b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
更新时间:2023-01-17 13:51:28
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解答题-问答题
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适中
(0.65)
【推荐1】已知函数
(
),且函数图象的对称中心到对称轴的最小距离为
,当
时,
的最大值为1.
(1)求函数
的解析式;
(2)将函数
的图象向右平移
个单位长度得到函数
的图象,若
在
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a795ae52f855e5a461fa730388a1bc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a0a5133b8460df6c46da0e44051e2a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdaf49f9611922348aa2784465da614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd11330e5a58c4bd68d82174102629a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec5d200b561e4be52ccaaebdc3105d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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适中
(0.65)
名校
解题方法
【推荐2】已知函数
.
(1)若函数
的图象关于直线
对称,求a的最小值;
(2)若存在
,使
成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a98b36592dd4d3f88fe6f4a2757150bf.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd17f1c6f82c15d141ef817a636af90.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac7c6999b9abd223819ba494e5d422fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81d377ae39b71bbb797a26381c8d16c5.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
解题方法
【推荐1】已知函数
在
上是减函数.
(Ⅰ)求
的最小正周期和对称轴方程;
(Ⅱ)求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6650ab575144aa1e1b8ebbded3037b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96eb35fb85a3c5365326dcd5e346d1c5.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.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2】已知函数
.
(1)求
的最小正周期;
(2)将
的图象向右平移
个单位,得到函数
的图象,若
在
上的最小值为
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6096774e41a2b2dc510091cd2a7194b9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e3f7f762131c77a3c8440b4a3bc1d12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6181ea7339144345677568a7fd485f84.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
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适中
(0.65)
名校
解题方法
【推荐1】设函数
,其中
,已知
.
(1)求
的最小正周期;
(2)将函数
的图象上各点的横坐标伸长为原来的2倍(纵坐标不变),再将整个图象向左平移
个单位,得到函数
的图象,求
在区间
上的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b82a21bc8e1953277fa8d6a92c04ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e4ac856b7ac1c163cced5db3f2b219.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/618a380b8019a022164bf292c9736bd9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/879fc3bd369c499652d887373fca5ca5.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐2】已知
,
,
(1)求
的值;
(2)若
,
,求
的值;
(3)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87186dfd2a1ffd5863421fb457c7ae7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a135466eb8ca64d002d0fad36176d1c1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf57aea56fecf45cf453206a00d688d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29f6eca9a9cda6e3f85f5f4d2f121e57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258f7dd295360a0fa22a811dcffa3ac1.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18397f5b4ab70acf45ff02c9c9fdc348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/719fd31bca0e8b0f9a4cb68ec9613be7.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
【推荐3】已知
,
(
),函数
的周期为
,当
时,函数
有两个不同的零点
,
.
(1)求函数
的对称中心的坐标;
(2)(i)实数
的取值范围;
(ii)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/376af4b9c314b6b5a0c4c14713c06a25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c5feb86d2a6a1e843eeaf969e60f940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae9f908aabcd9d9c46a0ecdfd1d6c12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b946a8ec829a341aa6806a3eb0b9ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)(i)实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(ii)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8d549130c5be01b3cb0c48a8cf260e.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
.
(1)求
的递减区间;
(2)求
在
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3f3ad139344663b3d5e0af23ffbcb6.png)
(1)求
![](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/4814cc69393408433ac56a06c8e86855.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)求函数
的最小正周期;
(2)函数
的单调递增区间和对称轴方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f92c091f9e9718736790b147178b3630.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次