名校
1 . 已知函数
在区间
上有且仅有4条对称轴,则下面给出的结论中,正确的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c845de45921aa2aadbf03c1c1b228bb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
A.![]() ![]() |
B.![]() |
C.![]() ![]() |
D.![]() ![]() |
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名校
2 . 已知函数
的图象如图所示,
是直线
与曲线
的两个交点,且
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9f2ae449ce1951748b9727c6edd1cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefa44964db83759aff6fc8dd7ef8f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4d2e79a0951ba8c5fa71f0a2b4ae66a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2631b1dab5d7dbec8feca79086b13f4d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/6/1df401ca-5d27-4164-9405-6e595266ca4b.png?resizew=166)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-09-05更新
|
535次组卷
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2卷引用:浙江省名校协作体2023-2024学年高三上学期返校联考数学试题
3 . 已知函数
的周期为
,图象关于直线
对称.
(1)求
的解析式;
(2)在钝角三角形
中,角
,
,
所对的边为
,
,
,若
,
,
,
为
的中点,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c101bf569975cbe7da6cd8fd45722926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c63e1c64c42b7f3b7fdc396d4756cab.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)在钝角三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/d71b8326e00cd285d4f76a421e87bb33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b97bb18e5ca34d22b5e827316a122a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
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2023-06-09更新
|
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名校
解题方法
4 . 在
中,
.
(1)求A;
(2)若线段AC上有一点D,设
,则
在
上恰有两条对称轴(
),求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ae35117201864f8c34ede2f1c429c2.png)
(1)求A;
(2)若线段AC上有一点D,设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb278a1476067378944794a3933dfd6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f012a800e43b3307ac67af46c6da860c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ab9fa913713f192ae91be1a51b1bb6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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5 . 已知函数
的图象关于直线
对称,且
在
上没有最小值,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d40abf6be3a73d988c51e4b712ed6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7de633b2c143b9f76b29cde1c6ffce71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0b909bbcdcb41be76adc4b5e9544a59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.2 | B.4 | C.6 | D.10 |
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6 . 已知函数
的图象在
上恰有两条对称轴,则下列结论不正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c845de45921aa2aadbf03c1c1b228bb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
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7 . 已知函数
,两个等式
,
,对任意实数x均成立,
在
上单调,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b77ddce09d191c313a91c2c3e611003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8e2fb5a392e630ef079888f661e69d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7bbf0943391dbb21e646db8712de291.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c6703edddf740dd5075b64518a085c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.17 | B.16 | C.15 | D.13 |
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2023-02-09更新
|
811次组卷
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2卷引用:浙江省名校协作体2023届高三下学期联考数学试题
名校
8 . 已知函数
(
,
),其图像相邻对称中心间的距离为
,直线
是其中一条对称轴,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6a1a187bee0ac1a1a7849bfd06b17d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9531427f246890e815b7ed47e78daa78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11e56709c76b5ae87d528fb5240e7617.png)
A.函数![]() ![]() |
B.函数![]() ![]() |
C.点![]() ![]() |
D.将函数![]() ![]() ![]() |
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2022-10-01更新
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名校
9 . 将函数
图象向左平移
个单位后,所得图象关于原点对称,则
的值可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2626a5bdd100424d2416a665ba0e9518.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e24f048f9a87274863ba2c037d7a5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-09-29更新
|
485次组卷
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8卷引用:浙江省南太湖联盟2022-2023学年高二上学期9月联考数学试题
解题方法
10 . 已知
是函数
的对称轴,其中
.
(1)求
的值;
(2)当
时,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24db7b603aebdee8e298d1fe49c848e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d66793b76ee2b981f164b1b36998de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5e9f6620a9dc9ed84c7cc54833a2f34.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b392ae979e54da7e26bbc2d967a72666.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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