1 . 如图,函数
图象与x轴交于
,与y轴交于P,其最高点为
.若
,则A的值等于( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/24/9492c0dc-53b6-42d5-94e2-b96f8d23b7b9.png?resizew=255)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a381cb18a7f66ff27ad73f89ce5aea8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9933b9851e082f5be512a92cbbe1d752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/100d34602380bf6da63f92417f9d91db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e9237fe9bca40c1dc0ae48b085b423.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/24/9492c0dc-53b6-42d5-94e2-b96f8d23b7b9.png?resizew=255)
A.![]() | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
2022-09-22更新
|
1137次组卷
|
5卷引用:福建省泉州市2022-2023学年高三上学期期初数学试题
名校
解题方法
2 . 如图所示为函数
的部分图象,点M、N分别为图象的最高点和最低点,点P为该图象一个对称中心,点
与点B关于点P对称,且向量
在x轴上的投影恰为1,
,则
的解析式为
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/b6077e6f-d503-4793-a5d8-aefd09607977.png?resizew=196)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a9e90381208abd13757a1845f1aa0ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42a2b8b43e1fe82fc439d145e91b860c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad8099a37dd9770bda25abb7b44d6d44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c371254a1946cf88ee4ca0b3f6cff07f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/b6077e6f-d503-4793-a5d8-aefd09607977.png?resizew=196)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2020-05-08更新
|
221次组卷
|
2卷引用:莆田第二十四中学2019-2020学年高一下学期返校测试数学试题
名校
3 . 已知函数
(
,
,
)的部分图象如图所示,则
的解析式为
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/0124a600-bc60-4d24-931c-5f27656ea40a.png?resizew=235)
![](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/96d6c52370ea88b31a232ecfe2909ce2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/0124a600-bc60-4d24-931c-5f27656ea40a.png?resizew=235)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2018-05-08更新
|
692次组卷
|
3卷引用:福建省永安市第一中学2021届高三上学期暑期考试数学试题
名校
4 . 已知
是函数
一个周期内的图象上的四个点,如图所示,
为
轴上的点,
为图象上的最低点,
为该函数图象的一个对称中心,
与
关于点
对称,
在
轴上的投影为
,则
的值为
![](https://img.xkw.com/dksih/QBM/2018/1/23/1866580290387968/1908370647212032/STEM/d74f67819add45c8811524cfee36332b.png?resizew=168)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c82a10b4f0c9323d726804c89dd9548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/645b5cd8ec7f556795f4a127ecf6518e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac91bada536252cd170d6fa11f1faf03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbba7bff7720b3aa33f29936ede7819e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69b5b8c4c24eab782174c5cae1b88a5.png)
![](https://img.xkw.com/dksih/QBM/2018/1/23/1866580290387968/1908370647212032/STEM/d74f67819add45c8811524cfee36332b.png?resizew=168)
A.![]() | B.![]() |
C.![]() | D.![]() |
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