名校
解题方法
1 . 已知在平面直角坐标系中,O为坐标原点,定义函数
的“和谐向量”为非零向量
,
的“和谐函数”为
.记平面内所有向量的“和谐函数”构成的集合为T.
(1)已知
,
,若函数
为集合T中的元素,求其“和谐向量”模的取值范围;
(2)已知
,设
(
,
),且
的“和谐函数”为
,其最大值为S,求
.
(3)已知
,
,设(1)中的“和谐函数”的模取得最小时的“和谐函数”为
,
,试问在
的图象上是否存在一点Q,使得
,若存在,求出Q点坐标;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abffb1f8530ed2754e75e422e5892cee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eeee9c657cc18da08c0f93df799dd00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eeee9c657cc18da08c0f93df799dd00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abffb1f8530ed2754e75e422e5892cee.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388d3d213a231cccf854a29eef611d01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd164fc7f0a9cadb2b04dfae66161ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbd91fd0818516ea4763c1567079151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1b252cc780aa6a5859a1aedad32f363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c98c0ec4c99989333faa478a946985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c4b9dda541ca792577227f3014ddc6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544f91d4fb22c571db9f8481b72a0419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4358ab3d66f7cc25cfeb4fe3fc93a002.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efb486a2e713246204f62cd6f19b5ef1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/772d1b3c6d3a815b9d6b78cf9480338e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b426608a06477f57cb994f4d00e4465d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8f4ff145204ada7b2b8c26d0afb6b71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b86cb9e19ef323dcc1b0126aba5c659.png)
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名校
解题方法
2 . 在
中,
为边
上两点,且满足
,
,
,
,
;
(2)求证:
为定值;
(3)求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a51949f48ee8cf746851ba779b078e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5cc2450dc300ce26b513c2abae28cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb08f6a798dc293f3d8de281190f65e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f341b98caabf99bc683ce8407068735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38c5c9cc1ed4bce98b7fae77e70b227f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/449771e8910f45e2757cec3211a256c7.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea79586df2029edb34c7cb2f67dc3722.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2024-04-30更新
|
777次组卷
|
5卷引用:山东省枣庄市第三中学2023-2024学年高一下学期6月月考数学试题
山东省枣庄市第三中学2023-2024学年高一下学期6月月考数学试题福建省福州第一中学2023-2024学年高一下学期4月第三学段模块考试数学试题河北省沧州市泊头市第一中学2023-2024学年高一下学期5月月考数学试题(已下线)专题02 高一下期末真题精选(1)-期末考点大串讲(人教A版2019必修第二册)江苏省南京外国语学校2023-2024学年高一下学期5月阶段性测试数学试题
解题方法
3 . 已知函数
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b676538aa3f0e39a6fe04691eb816b7c.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.不等式![]() ![]() |
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名校
解题方法
4 . 设
是单位圆上不同的两个定点,点
为圆心,点
是单位圆上的动点,点
满足
(
为锐角)线段
交
于点
(不包括
),点
在射线
上运动且在圆外,过
作圆的两条切线
.
(1)求
的范围
(2)求
的最小值,
(3)若
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7818812e33052be4de712cbbbb21e2e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec8858389f4c3156a946ba8bf0d8a7b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b8d5cf36f04941f4ad49fe4c5e26133.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d8eb37a4dd75318dcbd836395e575bd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e438bc5acc5cc10b3e7138279949a2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f63a42e22f8bc63465f595caf10e5842.png)
您最近一年使用:0次
2024-04-01更新
|
866次组卷
|
4卷引用:山东省泰安市宁阳县第一中学2023-2024学年高一下学期4月月考数学试题
5 . 通常我们把一个以集合作为元素的集合称为族.若以集合
的子集为元素的族
,满足下列三个条件:(1)
和
在
中;(2)
中的有限个元素取交后得到的集合在
中;(3)
中的任意多个元素取并后得到的集合在
中,则称族
为集合
上的一个拓扑.已知全集
为
的非空真子集,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/552911fcffb0021a8572e82bfa6648de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb584b83ae783a0ec8a9b4628b7fca3e.png)
A.族![]() ![]() |
B.族![]() ![]() |
C.族![]() ![]() |
D.若族![]() ![]() ![]() ![]() ![]() ![]() |
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6 . 已知函数
,
.
(1)写出
的单调区间,并用单调性的定义证明;
(2)若
,解关于
的不等式
;
(3)证明:
恰有两个零点m,
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0676c35e842a3a86d3b752cae5ca0576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e0a1faf66cdc3558d05205fd8f5187d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3484588665d34c47ac3d2ef5c7ef5f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9947fdb8b6b390de995711ef15d82e70.png)
您最近一年使用:0次
解题方法
7 . 已知函数
(
且
)为奇函数,且
.
(1)求实数m的值;
(2)若对于函数
,用
将区间
任意划分成n个小区间,若存在常数
,使得和式
对任意的划分恒成立,则称函数
为
上的有界变差函数.判断函数
是否为
上的有界变差函数?若是,求M的最小值;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dabb772b37e75b8d3d5ad0fc84a745da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/534ffd1dd846f0ac5b8f3747d94f0501.png)
(1)求实数m的值;
(2)若对于函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1d60a3c7f5eae1586a8893054d44291.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d3c143fefeb2d6ba72a129de446486c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627565d32e529cafcd2744d006ec6de2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2480f87a11c4cd450bc9454ea7276722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f05611dfa56c61478127da674d7edf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb1ed40a8f67e93401e544284ceaaf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627565d32e529cafcd2744d006ec6de2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/466c69619ce71732ea09466da829f2df.png)
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名校
8 . 已知函数
.若对于给定的非零常数m,存在非零常数T,使得
对于
恒成立,则称函数
是D上的“m级类周期函数”,周期为T,则下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd06c79ae6fc666bf28fef89a45bad2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5d34feb6815af496629a3f9e4329669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
A.函数![]() ![]() |
B.函数![]() |
C.已知函数![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.若函数![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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2024-01-08更新
|
519次组卷
|
3卷引用:山东省跨地市多校2023-2024学年高一上学期模拟选课走班调考(12月)数学试题
解题方法
9 . 定义区间
的长度均为
,多个区间并集的长度为各区间长度之和,例如,
的长度
.用
表示不超过x的最大整数,记
,其中
.设
,当
时,不等式
解集的区间长度为
,则实数k的最小值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bdd23b629bfe0fd61d202e35578df04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c5eff93f16be6ae7174deec80302d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd795262e913d90c822229b9df845f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e211ec3dd2c375d821f0c993359bcfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f2754b3b1dad0794ec35a1771e1453.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fb281f7c471b9b37e1332285f37d05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b067ec1c94e4ed7954ced9d439cfca40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44e312eca38032174f9739126b81d012.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/605269453d1785d33a5edea8986dd2fa.png)
A.![]() | B.![]() | C.6 | D.7 |
您最近一年使用:0次
2023-09-26更新
|
790次组卷
|
2卷引用:山东师范大学附属中学幸福柳分校2023-2024学年高一上学期期中考试数学试题
10 . 抛物线
与y轴交于点A,
,顶点为D.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/18/5fd8d323-e143-4e18-9ba1-f23ac31b4cbf.png?resizew=132)
(1)若点A的坐标为(0,-2),求抛物线的顶点D和点P的坐标;
(2)如图,在(1)的条件下,连接AD,PD,在直线AD下方的抛物线上是否存在点N,满足
,若存在,请求出点N的坐标;若不存在,请说明理由;
(3)已知点
,若线段PQ与抛物线恰有1个交点,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e7025380bef07df5f62056160e6ea85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cab321e76d7c4c521cdc77d2d27c407.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/18/5fd8d323-e143-4e18-9ba1-f23ac31b4cbf.png?resizew=132)
(1)若点A的坐标为(0,-2),求抛物线的顶点D和点P的坐标;
(2)如图,在(1)的条件下,连接AD,PD,在直线AD下方的抛物线上是否存在点N,满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4742f5710314af955b8dd4e6ddfd7151.png)
(3)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5649ae59934da963ba37a37fdd0977ea.png)
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