已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a83a0cfe64a7e017a4de30e3b707e48.png)
求函数
的最小正周期和单调递减区间;
求函数
的最大值及取得最大值时x的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a83a0cfe64a7e017a4de30e3b707e48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
更新时间:2019-03-17 18:10:19
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相似题推荐
解答题
|
适中
(0.65)
【推荐1】如图是函数
(
,
,
)的一部分的图像.
![](https://img.xkw.com/dksih/QBM/2017/5/10/1683941195087872/1684173603282944/STEM/1ebba597a4864fad8bc58905ea91b388.png?resizew=302)
(1)求
的解析式;
(2)若将
的图像向右平移1个单位得到
的图像,求函数
的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec89c3bc454d209007c2b29baeeb3b0.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/64a297d9b18487cde772be5c7d2676b0.png)
![](https://img.xkw.com/dksih/QBM/2017/5/10/1683941195087872/1684173603282944/STEM/1ebba597a4864fad8bc58905ea91b388.png?resizew=302)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
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适中
(0.65)
名校
【推荐2】已知函数
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/5d6289ff-69c6-4477-9231-4fd3b3679811.png?resizew=198)
(1)求
的解析式;
(2)求
的单调增区间并求出
取得最小值时所对应的x取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942bb18c2f8fca711fab810d0b3e84a1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/5d6289ff-69c6-4477-9231-4fd3b3679811.png?resizew=198)
(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/09f86f37ec8e15846bd731ab4fcdbacd.png)
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适中
(0.65)
解题方法
【推荐1】求下列函数的值域.
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20fd76026e5d6d1004db5d536a50c76.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf7efb4f2bf8765b5cbc3eb39ffaefa4.png)
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适中
(0.65)
解题方法
【推荐2】在如图所示的平面直角坐标系中,已知点
和点
,
,且
,其中
为坐标原点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/bc00847f-b228-4a86-984f-307c5e06565c.png?resizew=145)
(1)若
,设点
为线段
上的动点,求
的最小值;
(2)若
,向量
,向量
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42f05b013e4b7166cbc87c5a83d6a85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba65e7a774e56f9fac82d44758951b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f435c3556b48f0eccc958240fc6c7d6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/bc00847f-b228-4a86-984f-307c5e06565c.png?resizew=145)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e6e786cf092be7473ed346780477ea1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dd7a30915a5f874003d1a3002bb8b89.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7d4e4a30f64d8ffccb3fb538ed91b4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b8eda2b91870c161276e9a5276472db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094cdfe6b117f4600fdf255112d2c472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f643616cd3d2459c506c8647641f081f.png)
您最近一年使用:0次
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适中
(0.65)
【推荐3】已知向量
,
,记函数
.
(1)求函数
的最大值及取得最大值时
的取值集合;
(2)求函数
在区间
内的单调递减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e7224e89fe7ce194160c81bb1a9653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e8ed5de41e5772cb8a59da16c70b1ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f0b8848f53fa5c7e403d754ebba628b.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d4e402f43b62a3045d9f0da2e03441.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)求函数
的最小正周期和值域;
(2)若函数
的图象过点
,
.求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5580ffbc19e20a7bf5a46b888f183761.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df984c859c7f3570a29328f0d9913edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83f60ed35a7e27ea2af5a98103a6cf89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95f6b06a6495094023e4b48c4657566.png)
您最近一年使用:0次
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适中
(0.65)
名校
解题方法
【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8636ab983eaed3dd2a980b0f043d8911.png)
(1)求
的最小正周期和对称轴方程:
(2)若
在
上是增函数,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8636ab983eaed3dd2a980b0f043d8911.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bb0b3d87c605afa4571ee76a7fa7309.png)
您最近一年使用:0次