名校
解题方法
1 . 如图,在平面四边形
中,
.若点
为边
上的动点,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13c0518ef6097a5f3bc3446f85d7fc61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53aec2ef0bbe7a2d482aa35b9826ec6.png)
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名校
解题方法
2 . 已知函数
,则以下说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54427d627da269721bd3b63fec801836.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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名校
解题方法
3 . 解决下列问题
(1)在平面直角坐标系中,已知
,
;
(2)如图,设
,
是平面内相交成
角的两条数轴,
,
分别是
轴与
轴正方向同向的单位向量,若向量
,则把有序数对
叫做向量在斜坐标系
中的坐标,记为
.在斜坐标系
中,
,求
;
②已知
,
,
,求
的最大值.
(1)在平面直角坐标系中,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8414a2b02ee87ad530be16860e2e8a7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dbee03c7b883807c83dd5492069de0d.png)
(2)如图,设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14069d21d32c724f0ebe3e311f114c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5253a9a71037d60059b60237824193b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d9aa1d34d66a6876aa0566c8fc8b0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4224bf1cbcd51f4cbdce93d981d65c5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860fc1db2edc066188f8d24e35dbf205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b6e7fa9384531ef24312fda723007c1.png)
②已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47d337460d1641b26220ba2a086742f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edcc5bc9f068a10a7cf1d9b24330337a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1060c0179e1dfb715453a0071d32b41f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c97791de6a16d7db9ccf78c7dfea89e4.png)
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名校
解题方法
4 . 如图,设
,
是平面内相交成
角的两条数轴,
,
分别是与
轴,
轴正方向同向的单位向量,若向量
,则把有序数对
叫做向量在斜坐标系
中的坐标,记为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4224bf1cbcd51f4cbdce93d981d65c5a.png)
,
计算
的大小
(2)若在该坐标系下,已知
,
,
求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14069d21d32c724f0ebe3e311f114c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5253a9a71037d60059b60237824193b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d9aa1d34d66a6876aa0566c8fc8b0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4224bf1cbcd51f4cbdce93d981d65c5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b18f32baa8e324b33d707f8d59e0a4f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ea76d1bd036f5336bb7bdd65984c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4336e15cd9b12893426bbf7bba3a2353.png)
(2)若在该坐标系下,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f537bc105866b16194cd345edc651f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8835f2c4b86b4be1082ac201c36e22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf9765a33cab40e7f0bb46e9f78b33ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985a67e5e24e049558cd5289b6ee9ce5.png)
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解题方法
5 . 设
是
上的奇函数,且对
都有
,当
时,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da3a6d011679952771607b3a166676b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36654ebe1920ef6406aeaf83414cb5cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d23aaed2cffe826ac5ae3d189211685.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff719d3443bd94f09e4094029a703a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c64ab61f03db328b8860ff20c6b9b51.png)
A.![]() ![]() | B.![]() ![]() ![]() |
C.直线![]() ![]() | D.当![]() ![]() |
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名校
解题方法
6 . 已知二次函数
的图象过点
,且
.
(1)求
的解析式;
(2)已知
,
,求函数
在
上的最小值;
(3)若
,若函数
在
上是单调函数,写出正实数
的取值范围(不用写过程)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/592744129d3499498fee320ae874645e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8b3d5d84938175b9b850a1290128eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51fe7f4f2baa07290e5e1bad193f5e5d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e1961f45e9de6198a9d5807a004de92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47243049a581bd88348762484cf2d993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/584996a9966931cc08ed88370768668d.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d596b95f3685ca16a88d7d67e840e857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30a5498bb0236a2bb04ae38329b408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 已知
是奇函数.
(1)求
的值;
(2)求函数
在
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db04bee3cf15e611c7d075e94c81f3c2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b533977c0ef10d1c9134d9f0a259bb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
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名校
解题方法
8 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa89f1bab054d78e3c5e2f2bba6cd50.png)
(1)写出
的单调区间、值域以及图象的对称中心坐标
(2)判断
在
区间上的单调性并利用定义证明;写出
在该区间上的最大、小值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa89f1bab054d78e3c5e2f2bba6cd50.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97e1b4a9ba703bb43187aafbcb697d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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解题方法
9 . 函数
,有下列结论正确命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3931fc5e9808156a5655551294e83e00.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() ![]() |
D.![]() |
您最近一年使用:0次
解题方法
10 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/31/9c7ba11b-6e71-472f-9ac1-bbd5e551049f.png?resizew=192)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/31/f7f692f8-7409-4b4c-85d5-15070c5a70e2.png?resizew=192)
(1)在同一坐标系中画出函数
,
的图象;
(2)定义:对
,
表示
与
中的较小者,记为
,分别用函数图象法和解析法表示函数
,并写出
的单调区间和值域(不需要证明).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/945106a06b33e0107ce9c8b30ddb0a74.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/31/9c7ba11b-6e71-472f-9ac1-bbd5e551049f.png?resizew=192)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/31/f7f692f8-7409-4b4c-85d5-15070c5a70e2.png?resizew=192)
(1)在同一坐标系中画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
(2)定义:对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f832d9cca2d5c9d76d38374e2a258d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c49ca8562b98657ca9c499093f7233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4febc53921a6ed12d250651c3dacd61b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c49ca8562b98657ca9c499093f7233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c49ca8562b98657ca9c499093f7233.png)
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