2024高三·全国·专题练习
1 . 对函数
作
的代换,则不改变函数
值域的代换是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc82a6d2aa9b54832b3fefcbc9487095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57899b8f7f72bb0c1345596297656d11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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2 . 若
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3744ee15af01a8e7c0f126edb5f68132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83cd6285c508108a62f0c20cec7cac9.png)
A.![]() |
B.![]() |
C.![]() ![]() |
D.当![]() ![]() |
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3 . 关于函数
的图象和性质,叙述正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b029ab225b87c2fa2ae88fe8f0d1b2.png)
A.![]() ![]() |
B.![]() ![]() |
C.将![]() ![]() |
D.当![]() ![]() |
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4 . 下列函数中均满足下面三个条件的是( )
①
为偶函数;②
;③
有最大值
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b61adc4745f283e4072ddd762f92ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-03-31更新
|
406次组卷
|
2卷引用:安徽省池州市2024届高三上学期期末数学试题
5 . 如图,任意角
的终边
与以
为圆心2为半径的圆相交于点
,过
作
轴的垂线,垂足为
,记
的面积为
(规定当点
落在坐标轴上时,
).
(1)求
的解析式;
(2)求
取最大值时
的值;
(3)求
的单调递减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fdc02f00cf00a6dfd88b53a90f1f7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b7bff9b2431134f7683a9cc4e68acd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/c8e51a55-dac5-43fa-a326-229ec61a5e6e.png?resizew=158)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
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2024高二·全国·专题练习
解题方法
6 . 正弦函数
、余弦函数
有很多相同的性质,比如,它们都是以
为周期的周期函数,请你尽可能多地列出几条.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c65d71e57e6e7697e2f627dcd58583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e2d7c958e99bcd9d7f251c19ee3544.png)
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7 . 下列结论正确的是( )
A.![]() |
B.![]() |
C.![]() ![]() |
D.![]() |
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2023·全国·模拟预测
8 . 已知二次函数
满足对于任意的
且
.若
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b311193d148272fea9a5f34653ee3e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcef60e5d4f3b49a3c6e2507e8998439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9feb6e3e6fab048b248ca4ac53b461c9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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9 . 如图所示为某小区在草坪上活动区域的平面示意图,在
四个点分别建造了供老年人活动的器械.
四个点所围成的四边形即为老年人的活动区域.为了便于老年人在草坪上行走,小区建造了
,
,
,
,
,
六条步行道,其中
,
,
,
.设
,
,
为四边形
的面积.
(1)若
,求
的值:
(2)求
的最大值,并求
取到最大值时
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c82a10b4f0c9323d726804c89dd9548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c82a10b4f0c9323d726804c89dd9548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe7f0401adb20a8b873d6997b2f6a236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf10d92f20501e19d25f6f4159aab89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/597ce705d3a2fe04d29de9e81ec6250d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8f55b8836b41be612a52ca9caf97006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/5/4e8ccf15-630c-4b51-a584-c6a17b8834e6.png?resizew=167)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7087fc7d2ed3e68b3cb309114afde9aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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2023-11-14更新
|
485次组卷
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3卷引用:专题12 正余弦定理妙解三角形问题和最值问题(练习)
10 . 下列各式能否成立?请说明理由.
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5104f286d63720c1f6f97334dd521367.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d60647f1ee4cd8306153c37f26a18be.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/065a7af990e3061bb6a77c655998800f.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96c13142a9f6f397afccded3664ebdca.png)
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