1 . 已知函数
,若函数
恰有一个零点,则
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce58cbeebe47f14ef0ba403e397ccb6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55b6a52548329c263bc70d42a4d876bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2 . 已知a,
,若
,
,则b的可能值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07de49f290b3fd36733d129379d19c8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efdc0e0ca559f0f1af6127545f356fa2.png)
A.2.5 | B.3.5 | C.4.5 | D.6 |
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今日更新
|
203次组卷
|
2卷引用:山西省吕梁市2024届高三第三次模拟考试数学试题
名校
解题方法
3 . 中国女排精神代代相传.某网站对出战2024年巴黎奥运会的中国女排12人大名单进行了预测:主攻队员4人,副攻队员3人,二传和接应各2人,自由人1人.在中国女排每场比赛7人的首发阵容中,主攻和副攻各2人,二传和接应各1人,自由人1人.如果按照该网站预测的12人大名单出战,首发阵容方案数为( )
A.144 | B.140 | C.72 | D.36 |
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4 . 已知圆
,若圆
上仅存在一点
使
,则正实数
的取值可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/129682d490a967ca1be9be815d62b650.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83640592853a53872d7af69c0cffc1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.2 | B.3 | C.4 | D.5 |
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解题方法
5 . 已知双曲线
的左、右焦点分别为
,双曲线的右支上有一点
与双曲线的左支交于点
,线段
的中点为
,且满足
,若
,则双曲线
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cee0e5504a79c5fc559e9d927c0e0af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86dbcf83cd5d3421b3eed7be7dab32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bfb199276c83967e6a2a5c1b1a5cbc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a62cd39019b41b4bc2e7df87844868.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.2 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
6 . 某质点的位移
与运动时间
的关系式为
,其图象如图所示,图象与
轴交点坐标为
,与直线
的相邻三个交点的横坐标依次为
,
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/795d5254e8ff0ca3872d4ff964973628.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa97e9662b5562eec0fbf01d784e491.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9651b3131d981f7d1aceac23283e6fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a316587d6e06abd5077da16db31bd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f3fa679bb55ded25a9b72a8e788cb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ef444655f7be171369498b89bd35c35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76dde16b05fba6fc61779511e63f34fe.png)
A.![]() |
B.![]() |
C.质点在![]() |
D.质点在![]() ![]() |
您最近一年使用:0次
7日内更新
|
88次组卷
|
2卷引用:山西省部分学校2024届高三高考考前巩固卷数学试题
7 . 已知定义在
上的函数
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a28068770a85b88b42321cd71ecd3c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e55491716ef55c7976c626f6b75584.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次
8 . 设集合
,则集合
与集合
的关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a0d40f7cd50e839ba740ee2db4ab333.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
9 . 已知数列
的前
项和为
,且
,则数列
的前100项和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f3d1b22d630bc1a295b94e8f94d2f3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8370a173854471a3eb27637993a3d5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bdcb4751161b827640fab956df55831.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f3d1b22d630bc1a295b94e8f94d2f3.png)
您最近一年使用:0次
解题方法
10 . 已知圆
.点
在圆
上,延长
到
,使
,点
在线段
上,满足
.
(1)求点
的轨迹
的方程;
(2)设
点在直线
上运动,
.直线
与
轨迹
分别交于
两点,求证:
所在直线恒过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e50b93cf87ea8b70ca9d11678ffa4ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8974d8720546fe9cf42639999d4b8077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27ed8fcd4477cfcf6e01ca482d1ec478.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a57aa5c6e720321f780182cff0d63e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ee6b3f3582c4da0fdcf1c9ffdde109.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26960eb7fa677ced9fd81c22a79984ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c0f067a2a348ceb24a408f82992eab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
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