名校
1 . 已知
.
(1)求
的单调递增区间;
(2)若
,求
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4b642d48f82797a460c37d38afaf7d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2023-02-14更新
|
2604次组卷
|
7卷引用:北京市第二十二中学2022-2023学年高一下学期期中考试数学试题
名校
解题方法
2 . 如图,已知四面体
的棱![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
平面
,且
,其余的棱长均为
.四面体
以
所在的直线为轴旋转
弧度,且四面体
始终在水平放置的平面
的上方.如果将四面体
在平面
内正投影面积看成关于
的函数,记为
,则函数
的最小正周期与
的最小值分别为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/8/127bf117-0754-45ea-8574-9b551324596a.png?resizew=214)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ea52361458ce2e49ed0fe99d8e6c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3888740fa8b552b55b4a0c8ae4166007.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3888740fa8b552b55b4a0c8ae4166007.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3888740fa8b552b55b4a0c8ae4166007.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/8/127bf117-0754-45ea-8574-9b551324596a.png?resizew=214)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
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名校
3 . 已知函数
.
(1)求
的值;
(2)求函数的
最小值及相应的
值;
(3)若
,求函数
的增区间(直接写出结论).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eadae8dfaff9f4907eee2a130cd7576.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb5a39449bfcd1d2448b4d675f717e8b.png)
(2)求函数的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce2da7043938dd972c66f87c39fdeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
名校
解题方法
4 . 已知
的面积为
,角
所对的边为
.点
为
的内心,
且
.
(1)求
的大小;
(2)求
的周长的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6129fbf40a950fc8c516f0abaab21957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ae3197af30dd3554802bd7fa1b4b29d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bbf9680f74a9ac5d934304654ce2771.png)
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2023-01-31更新
|
1001次组卷
|
2卷引用:北京一零一中学2021届高三上学期10月统考(二)数学试题
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5 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9f2ae449ce1951748b9727c6edd1cb.png)
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/16/cb43e9f1-fae4-4b7f-936f-1ab66c518991.png?resizew=185)
(1)求函数
的解析式;
(2)将函数
的图象向右平移
个单位长度,再向上平移1个单位长度,得到函数
的图象,令
.当
时,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9f2ae449ce1951748b9727c6edd1cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6acf33971fbe56418805438cd4a6e974.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/16/cb43e9f1-fae4-4b7f-936f-1ab66c518991.png?resizew=185)
(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/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e15c2171c1be9ec394494ad822a048d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a426fe66143ae3b20eddaeb090f8a635.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
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解题方法
6 . 已知函数
的一个零点为
.
(1)求A和函数
的最小正周期;
(2)当
时,若
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60bdfd5fecd82b26055e124b5e70b364.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
(1)求A和函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c996a4c596f4a613b32563626855a80.png)
您最近一年使用:0次
2023-01-12更新
|
1053次组卷
|
3卷引用:北京市顺义区2023届高三上学期期末考试数学试题
名校
解题方法
7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639b8d448d67a1ae12c6f6cb747dcdfb.png)
(1)求
的最小正周期及单调递减区间;
(2)求
在区间
上的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639b8d448d67a1ae12c6f6cb747dcdfb.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/9bdff6c5115989681766adc33aaed62b.png)
您最近一年使用:0次
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解题方法
8 . 已知函数
.从条件①、条件②这两个条件中选择一个作为已知.
(1)求a的值;
(2)求
的最小值,以及取得最小值时x的值.
条件①:
的最大值为6;
条件②:
的零点为
.
注:如果选择条件①和条件②分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04873ad0efdab178b115738cb649118.png)
(1)求a的值;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
条件②:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
注:如果选择条件①和条件②分别解答,按第一个解答计分.
您最近一年使用:0次
2023-01-06更新
|
775次组卷
|
2卷引用:北京市朝阳区2022-2023学年高一上学期数学期末试题
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9 . 已知角
为第一象限角,且
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba11680b84118ca5ecd9ead79611686d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0f04c7c99a24980dc13b64b2523bf15.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-01-06更新
|
665次组卷
|
4卷引用:北京市朝阳区2022-2023学年高一上学期数学期末试题
10 . 某一扇形铁皮,半径长为1,圆心角为
.工人师傅想从中剪下一个矩形
,如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/7/d1901a69-c5b0-4169-bada-c70cdab8a3a3.png?resizew=130)
(1)若矩形
为正方形,求正方形
的面积;
(2)求矩形
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/7/d1901a69-c5b0-4169-bada-c70cdab8a3a3.png?resizew=130)
(1)若矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)求矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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