名校
1 . 若函数f(x)x2a|x1|在[0,)上单调递增,则实数a的取值范围是______________ .
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2017-07-20更新
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5卷引用:2015-2016学年浙江省富阳市场口中学高一上学期12月质检数学试卷
2015-2016学年浙江省富阳市场口中学高一上学期12月质检数学试卷上海市南洋模范中学2016届高三10月检测(三)数学试题上海市实验学校2017届高三上学期第四次月考数学试题上海市南洋模范中学2016届高三上学期第三次月考数学试题(已下线)第三章 函数的概念与性质 专题2 含绝对值的函数单调性的判断-2021-2022学年“高人一筹”之高一数学“痛点”大揭秘(人教A版2019必修第一册)
解题方法
2 . 若函数
(
)的定义域和值域分别为集合
,且集合
表示的平面区域是边长为1的正方形,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c403d6c497941253e711dd00a6960bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4262f7e1cd76dcfe1c72b886fce81be1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a75a99b273122cd381bd7680a81feb7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980ab4deb9e7f2bc9288787f5243a4d2.png)
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2010·上海·二模
名校
3 . 已知二次函数
的图像为开口向下的抛物线,且对任意
都有
.若向量
,
,则满足不等式
的
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87e04b4cd16224102ef696222caa56ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae81964a5d8df0502d6eaea575b11367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c461c17d03c12c75d64bcd7216e02c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/818155ef0386b3b18259bf458fd5a7bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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真题
名校
4 . 设
为实数,记函数
的最大值为
.
(1)设
,求
的取值范围,并把
表示为
的函数
;
(2)求
;
(3)试求满足
的所有实数
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49046413ef12b862272a1f754de4caa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a7b7c834d06f3e28a339db94690172.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c2b776c9536d623c75a68d4b91e624.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fff7a80cea6c1fb9831f5771ea8a801f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a7b7c834d06f3e28a339db94690172.png)
(3)试求满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b74b41e502314960abb915880d08ee46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2017-03-17更新
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1167次组卷
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5卷引用:2016-2017汕头潮阳实验学校高二培优班8月月考数学试卷
5 . (1)求函数
的最大值;
(2)求函数
的最小值.(用含
的代数式表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82e9ace78cfdf99b946900b6da32039f.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97a2418b40753fce90cd6156fda22ae9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
6 . 若函数
在
上单调递增,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c475b2581ecde75dc1151bdcbe94f9fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e4b97703638756a4051a3dd0cdcf5a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-03-11更新
|
3792次组卷
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7卷引用:广东省茂名市五校联盟2021届高三上学期第一次联考数学试题
名校
7 . 如图,在四面体
中,平面
平面
,
与
均为等腰直角三角形,且
,
,点
在线段
(不含端点)上运动.若线段
(不含端点)上存在点
,使异面直线
与
所成的角为
,则线段
的长度的取值范围是
![](https://img.xkw.com/dksih/QBM/2019/2/9/2137124509040640/2137551227035648/STEM/62f93f8d7d5642d9866f41d884e0746c.png?resizew=126)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d7090639341730951c1bc3c9b6164e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/228a8e89aa8e53c569bdd03d2fe61b6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df6d51738ac1bc8b9530ea4a55745c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7526fe3d1eaa0474866fe4466594b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.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/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://img.xkw.com/dksih/QBM/2019/2/9/2137124509040640/2137551227035648/STEM/62f93f8d7d5642d9866f41d884e0746c.png?resizew=126)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-03-07更新
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5卷引用:广西桂林、百色、梧州、崇左、北海五市2017-2018学年度高二联合模拟考试数学(理)试题
名校
8 . 已知
.
(1)若
,解不等式
;
(2)若对任意的
,都有
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b168f808e17800ea86f056125eec6f9b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dab66d86ac5f14aae6b34bef1a9573b2.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d7a214f810653ca8f63a34bb859b90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d9aa45681c9d59c0f0da733ff494ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2017-03-06更新
|
1715次组卷
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4卷引用:2016-2017学年重庆市巴蜀中学高一上学期期末考试数学试卷2
名校
9 . 实系数一元二次方程
的一个根在
上,另一个根在
上,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1146110d4382c714c10de00dd1273b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f1f845962dc3c180a9c26a9a059865f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-03-06更新
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2713次组卷
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3卷引用:华南师范大学附属中学2017-2018学年高二第一学期期中考试数学试题
华南师范大学附属中学2017-2018学年高二第一学期期中考试数学试题2016-2017学年江西省宜春市高二第一学期期末统考学理数试卷(已下线)江西省宜春市2016-2017学年高二上学期期末统考理数学试题
10 . 已知函数
若关于
的方程
有三个不同实数根,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c79e299c090154681e0ee1c647fc84c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb64327eb1ff00db6ea8e7ef84d3f5f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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