名校
1 . 若对于定义在
上的连续函数
,存在常数
(
),使得
对任意的实数
成立,则称
是回旋函数,且阶数为
.
(1)试判断函数
是否是一个阶数为1的回旋函数,并说明理由;
(2)已知
是回旋函数,求实数
的值;
(3)若回旋函数
(
)在
恰有100个零点,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5737f5659ca868fc5397ebe16d5fe333.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)试判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3097f22ffbc1b6ba762666df9b7442a7.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f77d94823f7084256ddc659f94323cff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(3)若回旋函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/184cb1a903c638aa942091ed46d99a4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
2017-08-15更新
|
1059次组卷
|
4卷引用:福建省龙岩市2016-2017学年高一下学期教学质量检查一数学试题
福建省龙岩市2016-2017学年高一下学期教学质量检查一数学试题江苏省苏州市姑苏区苏州中学2020-2021学年高一下学期期初数学试题辽宁省大连市中山区24中2019-2020学年高一下学期数学线上统练试题(已下线)专题22 新高考新题型第19题新定义压轴解答题归纳(9大核心考点)(讲义)
2 . 已知
为坐标原点,倾斜角为
的直线
与
轴的正半轴分别相交于点
,
的面积为
.
(Ⅰ)求直线
的方程;
(Ⅱ)直线
过点
且与
平行,点
在
上,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f785147690f83dcee0a0bc6c327e75a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd2981bf2261343f905ec1b5355a3c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6093eebca8f3ff82ce9298feb197e955.png)
(Ⅰ)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(Ⅱ)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354f8e9d6cca157b95877d6540d16fb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354f8e9d6cca157b95877d6540d16fb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3979f27823cdcba516dfa885d8afe19d.png)
您最近一年使用:0次
名校
3 . 已知
为坐标原点,对于函数
,称向量
为函数
的伴随向量,同时称函数
为向量
的伴随函数.
(Ⅰ)设函数
,试求
的伴随向量
;
(Ⅱ)记向量
的伴随函数为
,求当
且
时
的值;
(Ⅲ)由(Ⅰ)中函数
的图像(纵坐标不变)横坐标伸长为原来的
倍,再把整个图像向右平移
个单位长度得到
的图像.已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71054ed17a71da9c93e78c2aadbb099.png)
,问在
的图像上是否存在一点
,使得
.若存在,求出
点坐标;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c6f29b2b1955715616003d51d8b77f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34cc2ee181cd8ba4d228fc46342623f0.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/1129c691c26af951624cdc8f77ee9185.png)
(Ⅰ)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/250e6d38062483c0489a58679c37c92c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1129c691c26af951624cdc8f77ee9185.png)
(Ⅱ)记向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db78376df3a4ffe70b7d6341aba4e93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4936e33ecfbb1495904b594e5cab4d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6688c05cf61bb0e8cee6123e5bef8035.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a48345d239aaf8e9ca1ff2846c08a99.png)
(Ⅲ)由(Ⅰ)中函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f785147690f83dcee0a0bc6c327e75a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71054ed17a71da9c93e78c2aadbb099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b92bd10232758c60fb4e9048932e1c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a768e62c648c8e50fc545d7e556625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
名校
4 . 已知
,
,
,记
的外接圆为
.
(1)求
的方程.
(2)对于线段
上的任意一点
,是否存在以
为圆心的圆,在圆
上总能找到不同的两点
,满足
,若存在,求圆
的半径
的取值范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40d68d8414378c97e7a7be7d0f2fc461.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2afa449704e958da31f8ddc8897a6d44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a57ac9577e017b0ff5fcd931d379be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1d9218917d85a1dc19e60f076b8bfa.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1d9218917d85a1dc19e60f076b8bfa.png)
(2)对于线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261322163648e3713e759b91a0c0fbd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
您最近一年使用:0次
名校
5 . 已知函数
的值域为
,函数
,
的值域为
.
(Ⅰ)求集合
和集合
;
(Ⅱ)若对任意的实数
,都存在
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619c742d2634e792d4670fe155fd0862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d4f9206c66830b56dc1057e8194c4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6204b1b9ca61cc22e6e9df62f70737d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(Ⅰ)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(Ⅱ)若对任意的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2600bac8e141ddae4c3cab8646a39eca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ba8542fbe02e78cf3948c9abea9855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ad4a9b46f6db4419365884302c56152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
6 . 某食品的保鲜时间
(单位:小时)与储藏温度
(单位:
)满足函数关系
(
为自然对数的底数,
为常数).已知该食品在0
的保鲜时间是192小时,在33
的保鲜时间是24小时.
(1)求
的值;
(2)求该食品在11
和22
的保鲜时间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901def3ac5aedb8998458f292ddcea6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985b8f11b56ddf37d46b8175c5cb3b26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef6f7d6268046de2f13a6c876cfc3e2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6a067efe04a0dd42e6ab88cd6b73f5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901def3ac5aedb8998458f292ddcea6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901def3ac5aedb8998458f292ddcea6e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)求该食品在11
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901def3ac5aedb8998458f292ddcea6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901def3ac5aedb8998458f292ddcea6e.png)
您最近一年使用:0次
7 . 如图,
中,
是
的中点,
,
.将
沿
折起,使
点与图中
点重合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a63b2c21bd66fe36fd726d17a338fdda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aef7d7abc808c38173ea94c60e098ae2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/2017/5/8/1682481531576320/1689161281200128/STEM/60f1b52b6da84fa3975a1bce9579f4fd.png?resizew=17)
(Ⅰ)求证:;
(Ⅱ)当三棱锥的体积取最大时,求二面角
的余弦值;
(Ⅲ)在(Ⅱ)的条件下,试问在线段上是否存在一点
,使
与平面
所成的角的正弦值为
?证明你的结论.
![](https://img.xkw.com/dksih/QBM/2017/5/8/1682481531576320/1689161281200128/STEM/c656a068d94849ffbfdaca92a6e870f9.png?resizew=160)
您最近一年使用:0次