名校
1 . 如图是函数
的部分图象.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/bc5848bd-2061-4977-8344-c6f04853d2ec.png?resizew=220)
(1)求函数
的表达式;
(2)若函数
满足方程
,求在
内的所有实数根之和;
(3)把函数
的图象的周期扩大为原来的两倍,然后向右平移
个单位,再把纵坐标伸长为原来的两倍,最后向上平移一个单位得到函数
的图象.若对任意的
,方程
在区间
上至多有一个解,求正数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16175c6b33eec38e6e5c2d6ea16a96de.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/bc5848bd-2061-4977-8344-c6f04853d2ec.png?resizew=220)
(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/cb2f4e71ef138c505410dfe341fb96e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b24192cace1d2a643fc3a42a5b7ac273.png)
(3)把函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f785147690f83dcee0a0bc6c327e75a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddec17b39c5317b4552aec538d86f13e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff1dd9dce2ec5aa2aca0da07c750a65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a62c0b5147599a9316c96227c36493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2019-07-10更新
|
5023次组卷
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5卷引用:安徽省阜阳市界首中学2019-2020学年高一下学期期中数学试题
2 . 已知向量
,其中
.若函数
的图像关于原点对称,且相邻两条对称轴间的距离为
.
(1)求
图像所有的对称轴方程;
(2)将函数
的图像沿
轴方向向右平移
个单位长度,再把横坐标缩短到原来的
(纵坐标不变),得到函数
的图像,当时
,求方程
所有的解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cfb27fe1bd3ab4e555fa18d597527b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/062dfdea5590fa3b3010ad80374a45a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2104745f6548c40d42d046514e78df46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de30537bfda9b048cfe42f716f36ca57.png)
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