1 . 已知
,函数
的值域为
,则
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab535c2971839d6c03728bae28e4773.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f394b74cd2f551ff08294d3eba856a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2 . 已知函数
则下列说法中,正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b657a78e815866a767d39a3c8b9247cc.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若方程![]() ![]() |
D.若方程![]() ![]() |
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3 . 已知函数
的值域为R,则实数a的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ffd1a9a7ddb3895cdef3bfc5f43c564.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 已知函数
,则
__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/834751c8412699c179f58d2aa06169fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e71302c92b4d66e79f4a5f756d931c6.png)
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5 . 某科研单位在研发新产品的过程中发现了一种新材料,由大数据测得该产品的性能指标值
与这种新材料的含量
(单位:克)的关系:当
时,
是
的二次函数;当
时,
测得数据如下表所示(部分):
(1)求
关于
的函数关系式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e851f73d6879442b9bebb8111c6c738d.png)
(2)求函数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aea154147038b0e180b02624e09ddc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4b007ebf32ded4822da9453a887822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad5604930de5cd277649930fd0dbe7f0.png)
![]() | 0 | 1 | 2 | 9 |
![]() | 0 | ![]() | 3 | ![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e851f73d6879442b9bebb8111c6c738d.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2024-06-13更新
|
44次组卷
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2卷引用:广东省湛江第一中学2023-2024学年高一上学期第二次大考数学试题
名校
6 . 已知函数
,函数
有四个不同的零点,从小到大依次为
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85df4d8bff89079784bccdad9d96d56f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc9c82c1ec9a0ff6eec86178962285f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ccd22fd0ca1a8e1468329284f91b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae30148e1e1f0f35d2be17fc42bcc413.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
7 . 记表
示
在区间
上的最大值,则
取得最小值时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2838fbaec7d05f460c677eea011bac5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316be14489ddd109633e87fef03a5b01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
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2024-06-01更新
|
821次组卷
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5卷引用:山东省淄博实验中学2024届高三下学期第三次模拟考试数学试题
(已下线)山东省淄博实验中学2024届高三下学期第三次模拟考试数学试题吉林省长春市东北师范大学附属中学2024届高三下学期第五次模拟考试数学试题(已下线)模型6 分段函数与复合问题模型(已下线)模型7 绝对值函数模型甘肃省兰州市西北师大附中2024届高三第五次诊断考试(三模)数学试题
名校
解题方法
8 . 已知函数
,
且
在区间
上为单调函数,若函数
有两个不同的零点,则实数
的取值可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e7e98d012aa54342ece85bcac5fd27f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d74d706d2e4392e25016e9101d07ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a19bbab2270fc8e694527e801556cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a650ac2dc5b7aa3680b4608996edea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 已知定义在
上的函数
,若存在实数
,
,
使得
对任意的实数
恒成立,则称函数
为“
函数”;
(1)已知
,判断它是否为“
函数”;
(2)若函数
是“
函数”,当
,
,求
在
上的解.
(3)证明函数
为“
函数”并求所有符合条件的
、
、
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3897bf276a0b6c2121917d39b369df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d637d748a2b196af6d91703881ae1f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3897bf276a0b6c2121917d39b369df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67758380edd3796902534cf0e52cb6a1.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9697e701323f29c2b8fb4b69fdec2a50.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3897bf276a0b6c2121917d39b369df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901a683d7456f2b2135bccb41e70e33d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bad324be3bebd9c8051c5f502df2b536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f51870c1132971c292e4498255210546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4947f55ebd9b5438e46cb120d51be615.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966055559e213bce8e92ef59ba03d2d4.png)
(3)证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa79143526cf263a8fff8030446efa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67758380edd3796902534cf0e52cb6a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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10 . 已知函数
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f164928276c4bb4b90a61b40facabf37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d470408c1038d0ac6df442fec3df9af1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-05-08更新
|
542次组卷
|
2卷引用:浙江省浙南名校联盟2023-2024学年高一下学期4月期中联考数学试题