1 . 已知函数
.
(1)当
时,求
的值;
(2)若存在区间
(
,且
),使得
在区间
上至少含有6个零点,在满足上述条件的
中,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2795e77ea05f3eb581aec976e77bbee4.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f967d5112c0ac0aea272f89bcbf4fd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若存在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/469a1e3190b5b0d4d11aabcb4609da09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13502d46b8563c54c09b29b20b3006a4.png)
您最近一年使用:0次
2023-04-11更新
|
114次组卷
|
2卷引用:1.5正余弦函数的图象与性质课时作业 2020-2021学年高一数学北师大版(2019)必修第二册
2 . 已知函数
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/15/6951f305-e749-40d9-be14-12e3e65650c5.png?resizew=175)
(1)求函数
的解析式;
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e658113eadee1b45111b2a927c24e2f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/15/6951f305-e749-40d9-be14-12e3e65650c5.png?resizew=175)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
您最近一年使用:0次
名校
解题方法
3 . 已知函数
.
(1)求
的最小正周期和对称轴方程;
(2)若函数
在
存在零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e84a1163b77e5f65c97eccea8f0505.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/b8ebe349b007f4b1c40417e5084bc04e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-09-15更新
|
4170次组卷
|
10卷引用:江苏省扬州市2021-2022学年高三上学期10月阶段测试数学试题
江苏省扬州市2021-2022学年高三上学期10月阶段测试数学试题(已下线)专题5.15 三角函数的图象与性质的综合应用大题专项训练(30道)-2021-2022学年高一数学举一反三系列(人教A版2019必修第一册)黑龙江省齐齐哈尔市第八中学2022-2023学年高二上学期开学考试数学试题重庆市二0三中学2023届高三上学期第二次质量监测数学试题黑龙江省实验中学2022-2023学年高三上学期第一次月考数学试题(已下线)第06讲 函数y=Asin(wx ψ)的图象及其应用 (高频考点—精讲)-2北京市铁路第二中学2023届高三上学期期中考试数学试题甘肃省武威第六中学2022-2023学年高三上学期第三次过关考试理科数学试题吉林省松原市扶余市第一中学2022-2023学年高一上学期期末数学试题河南省开封市通许县扬坤高级中学2022-2023学年高一上学期期末数学试题
名校
4 . 已知函数
,其中
,若实数
满足
时,
的最小值为
.
(1)求
的值及
的单调递减区间;
(2)若不等式
对任意
时恒成立,求实数
应满足的条件;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3065a4c005975c58c7933245a7ea4012.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aea6aa25a3efc37d236cad6da52fc1e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af29275bc15b9386fd2a58d0842afb36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa4c3b76c3feb011d05b6b7b77b88f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-02-28更新
|
797次组卷
|
8卷引用:湖南省株洲市第二中学2021-2022学年高一上学期第三次月考数学试卷
5 . 已知函数
,
(其中
,
,
)的图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/a1286adb-b3af-4f82-b4a0-65badfe7a860.png?resizew=157)
(1)求函数
的解析式及其对称轴方程;
(2)若
的图象向右平移
个单位,再将所有点的横坐标伸长到原来的2倍,得到函数
的图象,当
时,方程
有两个不等的实根
,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5e2a383cb47eb87493e86c8c40caf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.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/93778ac16acb542c259b9c4c49b410b3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/a1286adb-b3af-4f82-b4a0-65badfe7a860.png?resizew=157)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58119f48aa8860923d1f13dd78a17c62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a91739da0c8a8b8f6b9d6aa4680e9d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
6 . 已知函数
只能满足下列三个条件中的两个:①函数
的最小值为
;②函数
图象的相邻两条对称轴之间的距离为2;③函数
的图象可由函数
的图象左右平移得到
(1)请写出这两个条件的序号,并求出
的解析式;
(2)计算
的值;
(3)已知
,讨论
在
上零点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b35f481978c671f6518441f9caf1ed55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15120d404f0fa453c69f7195e8d68773.png)
(1)请写出这两个条件的序号,并求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70a8c1379102032d24207f45beedde7b.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c93c82944db4a310a2047dd6d8966162.png)
您最近一年使用:0次
解题方法
7 . 已知函数
.
(1)当
时,
恒成立,求实数m的取值范围;
(2)是否同时存在实数a和正整数n,使得函数
在
上恰有2021个零点?若存在,请求出所有符合条件的a和n的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67cf46dd6d168c560e6762677cbde852.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2198e75296245ec47a86b1f4755911a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f00d860852ce4d4d709a9d256b184844.png)
(2)是否同时存在实数a和正整数n,使得函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78ac351c8c21c3eb9f4980a823c584cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f291e49e1a3b13a708902a047118ed8.png)
您最近一年使用:0次
8 . 已知函数
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/2021/12/31/2884439504502784/2892859659141120/STEM/804e5fef-80c8-4151-b119-0fa6976fa935.png?resizew=153)
(1)求
的解析式;
(2)若
在
上恰有3个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eff52e7c43e535e548505c03d47f8f9e.png)
![](https://img.xkw.com/dksih/QBM/2021/12/31/2884439504502784/2892859659141120/STEM/804e5fef-80c8-4151-b119-0fa6976fa935.png?resizew=153)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca707c2636591cfef9956c25d1ec833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
9 . 已知点
,
是函数
图象上的任意两点,且角
的终边经过点
,若
时,
的最小值为
.
(1)求函数
的解析式;
(2)求函数
的对称中心及在
上的减区间;
(3)若方程
在
内有两个不相同的解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cca23079082fdf9ee66d9abad7d42a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1001979f75db173909ed66d072704459.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f01c7b37ef6566a7a16d178ea9ce7fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98076d00a982cbcbcd065ffa4eaf1602.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a233bbb01dc9a3a4f68f6f49ac2b960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dc191ebded559cc4e6752b9a4e2727c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53496ae2397150370142b5195a1a39c.png)
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fed38cc3fe3fe33926ceb1af472a243e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f3227e64be6aa4248da802643df6f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2021-12-10更新
|
680次组卷
|
6卷引用:四川省绵阳市绵阳南山中学2021-2022学年高一上学期12月月考数学试题
10 . 已知函数
,其中常数
.
(1)若函数
的最小正周期为
,求
的值;
(2)若
是
上的严格增函数,求
的取值范围;
(3)当
时,将函数
的图像向左平移
个单位,再向上平移1个单位,得到函数
的图像,区间
满足:
在
上至少含有30个零点,在所有满足上述条件的
中,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd948585474237aa7f9b7361bee6d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9fdc1f8ed0ae44b54a9a2a3aca2db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c993caf22cc0a9d3834daa57d07695c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05a467ddaa138590b3b56615c2c42a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aa0a113efcc3031e5d42589da662006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13502d46b8563c54c09b29b20b3006a4.png)
您最近一年使用:0次