1 . 已知函数
(
,
)对于R,都有
,
恒成立,且在区间
上
无最值.现将
的图像向左平移
个单位后得函数
的图像,则
的增区间为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e4892080a918aa2127c09e8d4c28c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b9f5bab329331795ccf58e444277430.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b15e97b7fe53ddc43e06c31fe5a7f373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1f6dc62e3641891bf9f815d6d90e391.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b46e371d805f68a3d5210501f494d227.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aeb076bad84890e24dbdc945ad543cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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2 . 已知函数
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/2021/1/4/2628988112199680/2632431198257152/STEM/4b9cd1e6-038d-4fe9-92b4-24248b27ca50.png?resizew=246)
(1)求函数
的解析式;
(2)求函数
的单调递减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eff52e7c43e535e548505c03d47f8f9e.png)
![](https://img.xkw.com/dksih/QBM/2021/1/4/2628988112199680/2632431198257152/STEM/4b9cd1e6-038d-4fe9-92b4-24248b27ca50.png?resizew=246)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2021-01-09更新
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5卷引用:贵州省镇远县文德民族中学校2020-2021学年高一11月月考数学试题
名校
3 . 函数
在
上的部分图象如图所示,则
的值为.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/5b1384c3-634b-49e2-859b-e3e1bd594ccf.png?resizew=195)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/918aaa14f1f5b67c82c8793bfe72fe28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6790c99b38267cbcdfc0ce598ee6f45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/5b1384c3-634b-49e2-859b-e3e1bd594ccf.png?resizew=195)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-06-21更新
|
605次组卷
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2卷引用:贵州省铜仁第一中学2019-2020学年高一下学期开学考试数学试题
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4 . 函数
的部分图象如图所示,其中A、B两点之间的距离为5,则
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/dcda809f-bc3d-4d69-86de-a7f276c7d297.png?resizew=177)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2fde03d28d4d4056f2000aec57c7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eba6f464aa447524ec2e4183abb6e64f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/dcda809f-bc3d-4d69-86de-a7f276c7d297.png?resizew=177)
A.2 | B.![]() | C.![]() | D.-2 |
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解题方法
5 . 已知A,B,C,D,E是函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cae66e520ae1e6e55642a643ca3a94f5.png)
一个周期内的图像上的五个点,如图,A
,B为y轴上的点,C为图像上的最低点,E为该函数图像的一个对称中心,B与D关于点E对称,
在x轴上的投影为
,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/9ee502d0-51ad-459d-80b2-59d3c98f368a.png?resizew=178)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cae66e520ae1e6e55642a643ca3a94f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00042c92cb27f5c4af68a254e2730c95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/393b3bacc16708ca73eff1451cb429d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc1070a28cb9cb8553c29747d1993b16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdaf49f9611922348aa2784465da614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f7fa86dca0ab79dbfb476c8f1cf329e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/9ee502d0-51ad-459d-80b2-59d3c98f368a.png?resizew=178)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D. ![]() ![]() |
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解题方法
6 . 已知函数
(
,
,
,
)的图象的一部分如下图所示.
![](https://img.xkw.com/dksih/QBM/2021/3/5/2671248654458880/2672319719309312/STEM/b5d374bf7fda48508aa9b11266bb46ed.png?resizew=283)
(1)求函数
的解析式;
(2)当
时,求
取最大值时相应的
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c830f1abf387dc0a165e9a397d5636.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/f7c9e46448bc791c441ca02d8f4508eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://img.xkw.com/dksih/QBM/2021/3/5/2671248654458880/2672319719309312/STEM/b5d374bf7fda48508aa9b11266bb46ed.png?resizew=283)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdc31ca2d4076db37385835944242c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99ca0904d12f8dc4b3956645ae3ae2f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
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7 . 如图,某地一天从
时的温度变化曲线近似满足函
,其中
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/31/84a8aa3d-c23a-4494-b277-996d92a44abb.png?resizew=250)
(I)求这段曲线的函数解析式;
(II)计算这天
时的温度是多少.
(参考数据:
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/883ec6be97cb95f3d58dae08073b7495.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d6a3c1d4d1969bf68c9c29ada71f9e8.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/ceea6fed130d78179f6edba061360174.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/31/84a8aa3d-c23a-4494-b277-996d92a44abb.png?resizew=250)
(I)求这段曲线的函数解析式;
(II)计算这天
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07ae0b4264da6a8812454ffd2f20d94.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c894b7d6baa55c80c64e74748dad898.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb015b3adfab424c91f1ed8b123fc23c.png)
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2019-01-23更新
|
289次组卷
|
2卷引用:【全国百强校】贵州省凯里市第一中学2018-2019学年高一上学期期末考试数学试题1
8 . 如图所示为函数
(
,
)的部分图像,
,
两点之间的距离为
,且
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/468dfc89-fbb6-4259-a6be-7d0162577d0b.png?resizew=207)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f079822740a43def4c00aca26b0607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb2f0d71b233d1559a51f80edffabfa.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/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3471484b64504fc545398f52be830010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eba6f464aa447524ec2e4183abb6e64f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/468dfc89-fbb6-4259-a6be-7d0162577d0b.png?resizew=207)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
9 . 函数
的一部分图象如下图所示,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/25/9ed4f2e1-3695-4496-a7f6-62d219690c3a.png?resizew=197)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a62f27ea19cb994c52f779be3ff1ecc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46b168e9afe857121c8fa7449cb8e2f8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/25/9ed4f2e1-3695-4496-a7f6-62d219690c3a.png?resizew=197)
A.3 | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
2018-01-21更新
|
623次组卷
|
3卷引用:贵州省遵义市2018届高三上学期第二次联考数学(理)试题
10 . 已知函数
的部分图像如图所示,则
的值分别是
![](https://img.xkw.com/dksih/QBM/2018/11/5/2068970482909184/2070242577448960/STEM/ece54a0993fb4b36a506c624a5eb1da2.png?resizew=235)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbd97c598bf2ea1a968b92c3c13b7aee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69b5b8c4c24eab782174c5cae1b88a5.png)
![](https://img.xkw.com/dksih/QBM/2018/11/5/2068970482909184/2070242577448960/STEM/ece54a0993fb4b36a506c624a5eb1da2.png?resizew=235)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-11-07更新
|
290次组卷
|
3卷引用:【省级联考】贵州省2019届高三上学期高考教学质量测评卷(一)数学(理)试题