1 . 当
时,不等式
恒成立,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab87accf1942ab80def96d12ef173163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50a46810cdd48cb84b4a2d2aabd5271.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知
,则下列正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9080f3a6d613d1f116406e66d5dde87f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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3 . 已知椭圆
:
(
)与双曲线
:
(
)共焦点
,
,过
引直线
与双曲线左、右两支分别交于点
,
,过
作
,垂足为
,且
(
为坐标原点),若
,则
与
的离心率之和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0040a720a545dba8a9f7b6a725f644ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e9e7d734e2f0263b7586aa460983d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa7593af26ecdc7ace1a766cff2d9c4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6232dc74b15e4acb0ac3482a1cbe6a52.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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/add5a0c3d79985e90d92c17a11373fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5038ca8098994dcc635e669b6a158d3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0854b1fa6d0d9fc6e0c5766f3903532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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名校
解题方法
4 . 已知函数
,若存在实数
,使函数
有两个零点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9554ad511d6e8b9bf180ca640ed3a1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3ef13a9e7d44e9b4bd98510570da56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-01-23更新
|
100次组卷
|
3卷引用:贵州省遵义市2023-2024学年高二上学期1月期末质量监测数学试题
贵州省遵义市2023-2024学年高二上学期1月期末质量监测数学试题(已下线)专题07函数期末8种常考题型归类【好题汇编】-备战2023-2024学年高二数学下学期期末真题分类汇编(人教B版2019)河南省郑州市宇华实验学校2023-2024学年高二下学期开学摸底考试数学试题
名校
解题方法
5 . 已知点
,
分别是双曲线
:
的左、右焦点,过
作斜率为
的直线
与双曲线的左、右两支分别交于
,
两点,且
,则双曲线的离心率为( )
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d70275da7cb2cc12fbe5d67d329a029.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-07-25更新
|
1113次组卷
|
2卷引用:贵州省黔西南州2022-2023学年高二下学期期末教学质量检测数学试题
6 . 已知
,
,
.则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/924cecc60c5a0511ec09f6059373da5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df37f6c6887150bd98b408da16cc32f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b6502baf7265fd6d3ed05844f34885.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
7 . 已知函数
,若存在
,使得
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc873fc03e6e4d3c4ba02f8b1147b20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be234f69b25e6aa7794a77b5f2e9b0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e72cc498fbcae58eb838a66e68bde2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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8 . 设点
是双曲线
:
(
,
)上任意一点,过
作双曲线的两条渐近线的平行线,分别交渐近线于点
.若四边形
的面积为2,则双曲线的焦距的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14e902eb263971b466d0fcd91c56b453.png)
A.8 | B.![]() | C.![]() | D.![]() |
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解题方法
9 . 已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa529ffb4a1ad66cbac68956c87f4941.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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2023-01-17更新
|
885次组卷
|
6卷引用:贵州省黔东南州2023届高三上学期复习统一检测(期末)数学(理)试题
贵州省黔东南州2023届高三上学期复习统一检测(期末)数学(理)试题广东省佛山市2023届高三上学期期末数学试题河北省石家庄市部分学校2022-2023学年高三上学期期末联考数学试题江西省部分学校2023届高三上学期1月联考数学(理)试题(已下线)模块三 专题3 小题满分挑战练(3)(人教B)(已下线)模块六 专题4 全真能力模拟2 期末研习室高一人教A
10 . 已知
,
,
,则
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa2a51e5eb280f7044097bb1b3ec7f30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d1dcee0a73c37e2b71a45f459252c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07c69108a324810e7464761e9b1f9ca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-01-14更新
|
429次组卷
|
2卷引用:贵州安顺市2023届上学期高三期末数学(理)试题