解题方法
1 . 设函数
,若
在
有且仅有5个极值点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e5ebb30b6ebe8d577c5467b2dd48060.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
解题方法
2 . 若函数
在
内恰好存在8个
,使得
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d3152f8725fe069719a50f58dd8e417.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05afaae6eb76a2ce9546fa33ec5f5ef9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-10-12更新
|
533次组卷
|
3卷引用:山东省临沂市兰陵县第一中学2024届高三上学期教学质量检测模拟考试(11月校际联考)数学试题
解题方法
3 . 已知函数
,且
,
在
上的图象与直线
恰有2个交点,则
的值可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a20f40430db03be9ab8a3c7e05aac129.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/988538fd91ddbfbf7360ba2bad74a983.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0b909bbcdcb41be76adc4b5e9544a59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41a5ff72ba4e9d01ecf0c0fe07a48058.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知函数
.给出下列四个结论:
①
的最小正周期是
;
②
的一条对称轴方程为
;
③若函数
在区间
上有5个零点,从小到大依次记为
,
,
,
,
,则
;
④存在实数a,使得对任意
,都只有一个
,满足
.
其中所有正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12346bcf56495b8ec3d6f195583e78e6.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c63e1c64c42b7f3b7fdc396d4756cab.png)
③若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4839d33adb343af8d60a6dccdf46d012.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f98d2ddce01e8a8861442e990d3830e.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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9b42973c53907f09f2de384c42fc5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cac967402e4942374116ebdfacc8c787.png)
④存在实数a,使得对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41bdb6bc3e0766097605161cf9a38eb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/836654b1d2df864e13b355e3ff63fcca.png)
其中所有正确结论的序号是
您最近一年使用:0次
5 . 筒车是我国古代发明的一种水利灌溉工具,既经济又环保,明朝科学家徐光启在《农政全书》中用图画描绘了筒车的工作原理(如图1).假定在水流量稳定的情况下,筒车上的每一个盛水筒都做匀速圆周运动.如图2,将筒车抽象为一个半径为
米的圆,筒车按逆时针方向每旋转一周用时
秒,当
时,筒车上的某个盛水筒
位于点
处,经过
秒后运动到点
,点
的纵坐标满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90023aacf3760996af5caa6b5b63c86.png)
.已知筒车的轴心
距离水面的高度为
米,设盛水筒
到水面的距离为
(单位:米)(盛水筒
在水面下时,则
为负数).
(1)将距离
表示成旋转时间
的函数;
(2)求筒车在
秒的旋转运动过程中,盛水筒
位于水面以下的时间有多长?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd121f4aeca8a78a320fca1fd1c4d07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aeb9a94e392f6759b18abed89aacc5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51130e462257f92d74b3ff6e04d7b485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90023aacf3760996af5caa6b5b63c86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e17becdd855f98d3bffd8df962a9514.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/16/d7396a21-86ce-47ec-9b2b-259594e33798.png?resizew=323)
(1)将距离
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)求筒车在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/467d8625b4253b4988a096650f9805bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
6 . 若函数
(
)在
有且仅有
个零点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f39b2eeeb4bd22d5fe5162ec574def28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c485c975e1a810f35cd6a0497b8b51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2023-08-02更新
|
558次组卷
|
3卷引用:山东省威海市2022-2023学年高一下学期期末数学试题
名校
解题方法
7 . 设函数
在
上恰有2个零点,且
的图象在
上恰有2个最高点,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b68de3281a442731018c16831babddee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39b810503094cf6dbadaa29d9c30074e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39b810503094cf6dbadaa29d9c30074e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
2023-08-02更新
|
527次组卷
|
4卷引用:山东省部分学校(中昇)2023-2024学年高三上学期开学摸底大联考数学试题
山东省部分学校(中昇)2023-2024学年高三上学期开学摸底大联考数学试题广西示范性高中2022-2023学年高二下学期6月联合调研测试数学试题(已下线)天津市耀华中学2024届高三上学期第一次月考数学试题变式题11-15(已下线)第14讲 拓展二:三角函数中参数ω的取值范围问题-【帮课堂】
8 . 一纸片上绘有函数
(
)一个周期的图像,现将该纸片沿
轴折成直二面角,此时原图像上相邻的最高点和最低点的空间距离为
,若方程
在区间
上有两个实根,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62edb5d718a68ce4341c2f05f21d053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d8b002680c476b8323c4b67e8bc999e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4a90cfdbfa05577b6ec0b22739e7c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
9 . 已知函数
在区间
上单调递增,且
在区间
上只取得一次最大值,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5beaa08e78b69f1826534e45a9b2da45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ec330cc887a2230871d2e7c6592387.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aef960507e81c757522eea75e0c5df38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-07-12更新
|
577次组卷
|
3卷引用:山东省日照市2022-2023学年高一下学期期末校际联合考试数学试题
10 . 已知向量
,
,设
.
(1)若
,求
的值;
(2)将函数
图象上所有点的横坐标缩短到原来的
,纵坐标不变,再向右平移
个单位长度,得到函数
的图象,若函数
在
上有零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66914b732375cb483d4ccbc121dadb85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0073996f6ddbc76a52ad7cc30488d768.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e7b2150ed88d3ffdec3d142617eacf.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/198f329534aec1574fdab18826fd01af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08844259cfd28cf6e73e07013b7f9193.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4c59c7d406a609ededabe8eb0577cf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e4a9669781033d5dd6b45c877fd700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-07-11更新
|
425次组卷
|
2卷引用:山东省泰安市2022-2023学年高一下学期期末数学试题