名校
解题方法
1 . 函数
(其中
,
,
)的图象如图,则此函数表达式为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/9ba02499-bd26-4eb5-9328-cece426a7f2d.png?resizew=255)
![](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/89040554aa79926881b74fe954e4d08a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/9ba02499-bd26-4eb5-9328-cece426a7f2d.png?resizew=255)
A.![]() | B.![]() |
C.![]() | D.![]() |
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10卷引用:2020届四川省广安市高三第二次诊断性考试试题文科数学试题
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解题方法
2 . 已知函数
(
,
,
)的部分图象如图所示,其中图象最高点和最低点的横坐标分别为
和
,图象在
轴上的截距为
.关于函数
有下列四个结论:
①
的最小正周期为
;
②
的最大值为2;
③
为
的一个零点;
④
为偶函数.
其中正确结论的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/29/dc9c0dfc-1677-4ab1-8836-c6d7a278cd4c.png?resizew=156)
![](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://staticzujuan.xkw.com/quesimg/Upload/formula/0cdaf49f9611922348aa2784465da614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70915d2df27fa8611c1daf72ea3317cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d729d4e273ddcbb1a1b7ec3f152c2b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bec22966d1e5ab401784bed817c814b.png)
其中正确结论的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/29/dc9c0dfc-1677-4ab1-8836-c6d7a278cd4c.png?resizew=156)
A.1 | B.2 | C.3 | D.4 |
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3 . 已知
,其中
是正实数,若函数
图象上一个最高点与其相邻的一个最低点的距离为5,则
的值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fc3dd0025df7913fd56a809da6b77b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 函数
的部分图象如图所示,则
,
的值分别是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/921c9a02-9a2d-4d0b-bcb0-0716237d6bf2.png?resizew=171)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67b638b11c63834958f81ce318dc27c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/921c9a02-9a2d-4d0b-bcb0-0716237d6bf2.png?resizew=171)
A.2,![]() | B.2,![]() | C.4,![]() | D.4,![]() |
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5 . 函数
(其中
,
,
)的图象如图所示,为了得到
的图象,只需把
的图象上所有的点
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/06995cea-da7f-44fa-89fb-f01ab1c37311.png?resizew=216)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20be4abeb3c2da2f31c090ed4b50313a.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/89040554aa79926881b74fe954e4d08a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826f1c6f83d6a68c4989f8665b4b9008.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/06995cea-da7f-44fa-89fb-f01ab1c37311.png?resizew=216)
A.向右平移![]() | B.向左平移![]() |
C.向右平移![]() | D.向左平移![]() |
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6 . 如图所示是
的图象的一段,它的一个解析式为
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/31/63501549-51c9-4f69-a3a5-50f83d9a2716.png?resizew=197)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e043642b2947df97a4d53bd6dfd517b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/31/63501549-51c9-4f69-a3a5-50f83d9a2716.png?resizew=197)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
7 . 已知函数
的部分图像如图所示,则函数
单调递增区间是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/bc3c28c1-57be-4c1a-8c70-193a0aec1148.png?resizew=237)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc96e5d2833cae8f64734e7c51c9c81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/bc3c28c1-57be-4c1a-8c70-193a0aec1148.png?resizew=237)
A.![]() | B.![]() |
C.![]() | D.![]() |
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8 . 如图,函数
的图象是由正弦曲线或余弦曲线经过变换得到的,则
的解析式可以是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/acd00233-1c9c-4da4-9619-c4b0ee80daad.png?resizew=226)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/acd00233-1c9c-4da4-9619-c4b0ee80daad.png?resizew=226)
A.![]() | B.![]() |
C.![]() | D.![]() |
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9 . 函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58dd812100d062b9e93dc8553ceadbe5.png)
的部分图象如图所示,则
的值是
![](https://img.xkw.com/dksih/QBM/2018/7/11/1986064414539776/1986706100305921/STEM/63cd7b023d0d489080163dd44024e95b.png?resizew=199)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58dd812100d062b9e93dc8553ceadbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/504bb9ca1051ab1987f00a9a8964f636.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://img.xkw.com/dksih/QBM/2018/7/11/1986064414539776/1986706100305921/STEM/63cd7b023d0d489080163dd44024e95b.png?resizew=199)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 函数
的部分图像如图,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bbf685c81abcf13eacc7cdc7c177ba2.png)
![](https://img.xkw.com/dksih/QBM/2017/4/27/1674563011354624/1674988160040960/STEM/e18bcc7cdf3d45c88bb29fe5c6d0fd51.png?resizew=222)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43be6617218c18bd4a2c630b7bc366ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bbf685c81abcf13eacc7cdc7c177ba2.png)
![](https://img.xkw.com/dksih/QBM/2017/4/27/1674563011354624/1674988160040960/STEM/e18bcc7cdf3d45c88bb29fe5c6d0fd51.png?resizew=222)
A.1 | B.![]() | C.![]() | D.![]() |
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