1 . 一个扇形的半径为2,圆心角的弧度数为
,则该扇形的面积为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
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名校
2 . 已知函数
的图象经过
,
,且
的最小值是
.
(1)求
的单调递减区间;
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10f0f53ce838871f4ba8fb56a945cf75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4934f22907fdb7539b81908cdaaad32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13ac2dfd3d9e8fa534775fd633ec0362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94cc25a7cf28ed096549fbae97fce40a.png)
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3 . 若
,
,
均为单位向量,且
,
的取值范围是
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca31f61e80a6b7a68b13f6a52b46217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cc0c199128e763ec28c74aad2148edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f51483d73e902357488f9aa4b14d7b3e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4 . 已知向量
的夹角为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070146b72ba261284f7196d223eb1243.png)
(1)求
;
(2)
在
上的投影数量;
(3)若
与
的夹角为钝角,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070146b72ba261284f7196d223eb1243.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ffc028b08764450cd09c90aa6ae7cfa.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a06c8eae3652486cf9e416ce3a8ffc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a097c61adc353530dbffba673df62c45.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad7ef1058ce7a48b534d1452ec1a7111.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a06c8eae3652486cf9e416ce3a8ffc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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5 .
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eafbfde50e62e8b05fa6f7ce9606dd84.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-30更新
|
446次组卷
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2卷引用:江西省景德镇市乐平市第三中学2023-2024学年高一下学期4月期中考试数学试题
6 . 函数
的最小正周期为
,若
,且
的最小值是1,则
图像的一个对称中心是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a41597c9611eae5018393a42b60d79fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41fb5f926c895e40308f166e25655b73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
7 . 若定义在D上的函数
满足:对任意
,存在常数
,都有
成立,则称
是D上的有界函数,其中
称为函数
的上界,最小的M称为函数
的上确界.
(1)求函数
的上确界;
(2)已知函数
,
,证明:2为函数
的一个上界;
(3)已知函数
,
,若3为
的上界,求实数
的取值范围.
参考数据:
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2480f87a11c4cd450bc9454ea7276722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aea232de27d21a2646fd4520ea0726bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](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/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a920c2d27134a9c514f82bf464aed4ee.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066737c8b5ab483d0e853124de99429e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c72bd2c5317e503a513881970a9badf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc03b242716eaa6ee3bef9061a63ce6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9405361d7be3c9e4d462a4e955d8fe3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c0309456de2cd6420ece4fbc5eeddb.png)
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2024-04-30更新
|
222次组卷
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5卷引用:江西省抚州市金溪县第一中学等校2023-2024学年高一下学期期中考试数学试卷
名校
解题方法
8 . 已知
,
,且
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc282dae4ac9132196ac5d13f63b901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ae955c9387d83dea2a7f092208f84e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5766a0f6b7b84e50624397a56581810f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/789eccebcb591bc45cf119d4a23cd7e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f90b7a31140ad9c9e32b7d9d508b1e07.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
9 . 已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc7ac5384d5046f42e992c44c80bd55.png)
A.![]() |
B.![]() ![]() |
C.![]() ![]() |
D.将![]() ![]() ![]() |
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2024-04-26更新
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398次组卷
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4卷引用:江西省部分学校2023-2024学年高一下学期4月期中考试数学试题
10 . 已知函数
的部分图象如图所示.
的解析式.
(2)当
时,关于
的方程
有两个不同的实根
,且
.
①求
的取值范围;
②求函数
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c0f153e044199055eec43c5226c5241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd65d7c5e979706d391163aee2c18cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
②求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ed07a76ec8ea66b7fdb8088098ca9ec.png)
您最近一年使用:0次
2024-04-26更新
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270次组卷
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3卷引用:江西省部分学校2023-2024学年高一下学期4月期中考试数学试题
江西省部分学校2023-2024学年高一下学期4月期中考试数学试题(已下线)高一下期末考前押题卷02-期末考点大串讲(人教B版2019)河南省驻马店市新蔡县第一高级中学2023-2024学年高一下学期6月月考数学试题