已知函数
,将函数
向右平移
个单位得到的图像关于y轴对称且当
时,
取得最大值.
(1)求函数
的解析式:
(2)方程
在
上有4个不相等的实数根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e73aa6f45bb18b21bee958cf41e9f38e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c6cb0cc172657611e286e7fa669584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b77fefdc89395c3cb3ceeeda9a0e4af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f50f4de88842aeabd7c2172c5bf98a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
22-23高一上·湖北武汉·期末 查看更多[6]
湖北省武汉市华中师范大学附属第一中学2022-2023学年高一上学期期末模拟数学试题(一)福建省上杭县第一中学2022-2023学年高一上学期数学期末复习卷试题(三)湖南省永州市第一中学2022-2023学年高一上学期期末数学试题(已下线)期末真题必刷易错60题(28个考点专练)-【满分全攻略】(人教A版2019必修第一册)全国2023-2024学年高一上学期期末考前冲刺模拟数学试题(01)湖北省2023-2024学年高一上学期期末考试冲刺模拟数学试题(01)
更新时间:2022-12-17 17:20:26
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解答题-问答题
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适中
(0.65)
名校
【推荐1】已知函数
.
(1)若
,函数
为偶函数,求
的最小值;
(2)若
在
上恰有4个零点,求
的取值范围;
(3)若不等式
对任意的
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92ce84a967e8452d2178bfb64e66e9b7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745c26a80e067bd3ba43d8a038afe50d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc36dc63713541d6317579dcf63f494f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dfe024e3e7190544c823fd312ece0f1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77e039a9d305af23cc7ec7c091e1c630.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1eee23d00e338805d4306186b9dd0a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cba49e9b24a7dd4050e302c86d014b74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/681dcdf161ec273e48357c528c1a850d.png)
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【推荐2】已知函数
.
(1)求
的单调递增区间;
(2)若函数
在
有且仅有两个零点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc8aa51e1dd85cb1bec9d67d39613c6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc9c82c1ec9a0ff6eec86178962285f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
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解题方法
【推荐1】已知函数
(
,
)的图象的两条相邻对称轴之间的距离是
,将
图象上所有的点先向右平移
个单位长度,再将所得图象上所有的点的横坐标缩短到原来的
,得到函数
的图象,且
为偶函数.
(1)求
的解析式;
(2)若不等式
对
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b2794c799d5340ba80ea0594b64f60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af87a22a39bd12c4734b0bdf1596b42a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ce6ea3061b38e1ec3ebb2f9e6ff5d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/651596108cabf813d5e2f394b2c67100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64d99fe6bbe981c80b20e91d85b322de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
【推荐2】某同学用“五点法”画函数
(
)在某一个周期内的图象时,列表并填入的部分数据如下表:
(1)请求出上表中的
的值,并写出函数
的解析式;
(2)将
的图象向右平移
个单位得到函数
的图象,若函数
在区间
(
)上的图象的最高点和最低点分别为
,求向量
与
夹角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7362670cbc15810c5470f348e0c18c5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bb4e9c9147737ddde1518c3f3406b6.png)
![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
![]() | 0 | ![]() | ![]() | ![]() | ![]() |
![]() | 0 | ![]() | 0 | ![]() | 0 |
(1)请求出上表中的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d45dfc971ebeba47e5b71bd0c2310f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbae0d22d931ac42b565c7990764a2c1.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
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【推荐1】已知函数
.
(1)若
的最小值是2,求a;
(2)把函数
图像向右平移
个单位长度,得到函数
图像,若
时,求使
成立的x的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2ee6292715f6a0887c7942cecfb9b5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)把函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be36a60c4a56fe62e55ea53edf93ff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca0d0d4d8c6a1e5d90264828345a5705.png)
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【推荐2】函数
的部分图象如图所示,其中
轴.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/27/e0f61b8d-7f8e-4168-b6b1-5a6a3031092e.png?resizew=198)
(1)求函数
的解析式;
(2)将
的图象向右平移
个单位,再向上平移2个单位得到
的图象,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd3076268b2f6120fbf4869ab35a4ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ed5952451c4f7e32ecccc9cd5996ffe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/27/e0f61b8d-7f8e-4168-b6b1-5a6a3031092e.png?resizew=198)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb2faa63899873813748f6a28b8a92e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe7aa8e93efdad71384ac90f9a113be9.png)
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【推荐3】已知向量
,
,设函数
,且
的图象过点
和点
.
(1)当
时,求函数
的最大值和最小值及相应的
的值;
(2)将函数
的图象向右平移
个单位后,再将得到的图象上各点的横坐标伸长为原来的4倍,纵坐标不变,得到函数
的图象,若
在
有两个不同的解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34ebf4d2793c133e9fcebe4a11445631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e4ece9f7300fb95fa7c14ede247fa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be2dd167392a87d125bfd91ab3cb396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbefab14cc1c6bb3187653a9dee528f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b91d6d764ab6fdc3e96f11d6fe516a1b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/389ccb19ac5d89dee9c139d8875899d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd569dea5ce34578ebec285e816dbdc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aebb9595cfebe608e2b3ec06c10421dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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