解题方法
1 . 已知集合
是满足下列性质的函数
的全体,存在实数
、
,对于定义域内的任意
均有
成立,称数对
为函数
的“伴随数对”.
(1)判断
是否属于集合
,并说明理由;
(2)若函数
,求满足条件的函数
的所有“伴随数对”;
(3)若
,
都是函数
的“伴随数对”,当
时,
;当
时,
.求当
时,函数
的零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/2799abb64fd7bfce9dfa7228aa460564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd89d31d6df22f345983f78729228a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e58703cf57935d56d4b26cf7102811.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1c079afd1b058adc67a50f48f3d466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a65ff133f3311c822c0bfdb71978088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29343388ca8b33dc98325e65382b38a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8833ba3833480237f47774984958c01d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a31f7a8c150b3f4e720db0401fd5fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af4a4cfa06d1c6b816e43ba4aff38ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba5db62398d9bde096b840f4bb994e31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
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名校
2 . 已知函数
是
上的增函数,且
,其中
是锐角,并且使得
在
上单调递减,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://img.xkw.com/dksih/QBM/2016/10/14/1573070418837504/1573070424784896/STEM/15337d91dea24e30833e41f4fbb310cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8542e50495795c98f7aa7501fe0690a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9392edae4c6dde7b703d96db4e51a7b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2231e9c42f186772fc2a49696b5fc941.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8542e50495795c98f7aa7501fe0690a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
|
1168次组卷
|
5卷引用:2017届新疆生产建设兵团二中高三上月考一数学(文)试卷
2017届新疆生产建设兵团二中高三上月考一数学(文)试卷浙江省杭州市高级中学2019-2020学年高一上学期期末数学试题(已下线)【新东方】新东方高一数学试卷272(已下线)【新东方】新东方高一数学试卷278浙江省台州市书生中学2019-2020学年高一下学期开学考试数学试题
名校
3 . 函数
的图像的一个对称中心的坐标是________ .(只需要写出一个对称中心的坐标)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ec16b3788706920ff7c18c719c2c3cd.png)
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4 . (文)设椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d72a07a4e5acfc140a3cea1f26b951.png)
的左、右焦点分别为
、
,上顶点为
,过点
与
垂直的直线交
轴负半轴于点
,且
,若过
、
、
三点的圆恰好与直线
相切.
![](https://img.xkw.com/dksih/QBM/2020/2/29/2409457115324416/2409577590005760/STEM/0d491b4858a84defb38efe32ac50a6ab.png?resizew=156)
(1)求椭圆
的方程;
(2)设椭圆右顶点为
,过椭圆右焦点
作斜率为
的直线
与椭圆
交于
、
两点.
①当
时,求
的面积;
②试问:
能否为锐角三角形?若能,请求出
的范围;若不能,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d72a07a4e5acfc140a3cea1f26b951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/434249d6640b0c1a712d215cf8b83d5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86dbcf83cd5d3421b3eed7be7dab32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c3a76a1b54e4f01a8f5e8f5c177890.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dec7b952777ec781a1a13a356b95e53a.png)
![](https://img.xkw.com/dksih/QBM/2020/2/29/2409457115324416/2409577590005760/STEM/0d491b4858a84defb38efe32ac50a6ab.png?resizew=156)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设椭圆右顶点为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ec2efeb92fb57b25329d433c371cd2.png)
②试问:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ec2efeb92fb57b25329d433c371cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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名校
5 . 如图,
是同一平面内的三条平行直线,
在
的同侧.
与
的距离是
,
与
的距离是
,边长为
的正三角形
的三个顶点分别在
上,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c98c59cd4749afdd21e73529fc84323.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8801df26d9cb76bc289b64a3a26902e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9897caa9c2a88284c07071f43619978.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57124599d0a72bf788f08ce442a85600.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8801df26d9cb76bc289b64a3a26902e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c98c59cd4749afdd21e73529fc84323.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/4bf5e229-2337-4af3-87ad-56775a5e64df.png?resizew=183)
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6 . 已知点
在函数
的图像上,过点
的直线交
、
轴正半轴与点
、
,
为坐标原点,三角形
的面积为
,若
且
,则
的取值范围是_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f42b2a9736c8943106472a7398d2892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cb4618439480157919e8ada72e1ee37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5b0036dcade38f064bd5807fd70fe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2020-02-01更新
|
395次组卷
|
2卷引用:上海市八校2016届高三下学期3月联考(理)数学试题
名校
7 . 设函数
,其中
.
(I)若
是函数
的一条对称轴,求函数周期
;
(II)若函数
在区间
上为增函数,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30aff38b821180c5c321f94dc548e7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0030fe7eb4f19e2348ab792c9281df19.png)
(I)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84298024ba7686de399a02dc979ee334.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(II)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd301f4c88baf3dbcda01df0e71a7db6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8542e50495795c98f7aa7501fe0690a.png)
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2016-12-04更新
|
2100次组卷
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3卷引用:2016届山东省东营市胜利一中高三最后一卷理科数学试卷
8 . 在
中,角
所对的边分别为
满足![](https://img.xkw.com/dksih/QBM/2016/1/4/1572413787348992/1572413792403456/STEM/8c382bcdd1734edea22c665ee7c67951.png)
则
的取值范围是
![](https://img.xkw.com/dksih/QBM/2016/1/4/1572413787348992/1572413792403456/STEM/a29a02a70f964452849f550d22fc07f4.png)
![](https://img.xkw.com/dksih/QBM/2016/1/4/1572413787348992/1572413792403456/STEM/00d3fdb234ed483bb45094936b7220d7.png)
![](https://img.xkw.com/dksih/QBM/2016/1/4/1572413787348992/1572413792403456/STEM/682ff96c99c04e44a56b7a412d5ade40.png)
![](https://img.xkw.com/dksih/QBM/2016/1/4/1572413787348992/1572413792403456/STEM/8c382bcdd1734edea22c665ee7c67951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933a0f9f32f567b5cc41b342d237529e.png)
![](https://img.xkw.com/dksih/QBM/2016/1/4/1572413787348992/1572413792403456/STEM/20439b5a74224f09bb06ab538be0321b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 设函数
(
,
为自然对数的底数),若曲线
上存在
使得
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5482fd1eba114a414b4a7e8ee152724b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb6a4781b020b879519321e05c299f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9863bdef554a67d2dcb5ddd6b4192d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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10 . 如图正方体
的棱长为1,点
在线段
和线段
上移动,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0cf054e01d671fd082d0e92c4d44704.png)
,过直线
的平面
将正方体分成两部分,记棱
所在部分的体积为
,则函数
的大致图像是( )
![](https://img.xkw.com/dksih/QBM/2016/7/27/1572941490282496/1572941496418304/STEM/71e4db98672f4796918dcb602460b98a.png?resizew=115)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0cf054e01d671fd082d0e92c4d44704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211ead7b4685ef34e3dc991e533d11c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/298cc3d9bc6dc88c494b5489ee2ca846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e08c14e87a2bcf7090eab2fea73667d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/006810c2690362a7da38bdc036ab6fa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f9faa2c03e10b5b29a3a7fd17af766c.png)
![](https://img.xkw.com/dksih/QBM/2016/7/27/1572941490282496/1572941496418304/STEM/71e4db98672f4796918dcb602460b98a.png?resizew=115)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-07-27更新
|
2803次组卷
|
3卷引用:2016届云南省玉溪一中高三下第七次月考理科数学试卷