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1 . 已知函数
,直线
过点
且与曲线
相切,则直线
的斜率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01add0d5ef2ae802d2b457ba588a2001.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.24 | B.![]() ![]() | C.45 | D.0或45 |
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3卷引用:江西省于都中学等多校2023-2024学年高二下学期5月月考数学试题
江西省于都中学等多校2023-2024学年高二下学期5月月考数学试题海南省2020-2021学年高二下学期期末考试数学试题(已下线)专题08 导数及其应用--高二期末考点大串讲(人教B版2019选择性必修第三册)
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2 . 已知函数
.
(1)若
,求曲线
在点
处的切线方程;
(2)若函数
在区间
上单调递增,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb62457fef4467d9f166949e8da6b8a8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711b21672fd907c5c92fee1d649e7003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c959ab293ef3ecbba70b635da3e2a8.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2卷引用:江西省于都中学等多校2023-2024学年高二下学期5月月考数学试题
3 . 如图,曲线
是以原点O为中心,
,
为焦点的椭圆的一部分,曲线
是以O为顶点,
为焦点的抛物线的一部分,
是
和
的交点,我们把
和
合成的曲线W称为“月蚀圆”.
所在椭圆和
所在抛物线的标准方程;
(2)过
作与y轴不垂直的直线l,l与W依次交于B,C,D,E四点,P,Q为
所在抛物线的准线上两点,M,N分别为CD,BE的中点.设
,
,
,
分别表示
,
,
,
的面积,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd38dfea1366aaf54ae7d33e6d8a0a90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f30f56664446f32dbbc2c5f12a99374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177678001b2ccde1db8f57fa5e017002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b52af1d93cf91437881f823ad19623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb9bcf5b109569e6f047c31a7ca9d72e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/845ff4183b0ea6c866247eefc6ea4be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/add9278c504368ce1edca9d7ab1ac751.png)
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3卷引用:江西省赣州市2023-2024学年高三下学期5月适应性考试数学试题
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4 . 记
的内角A,B,C的对边分别为
,
,
,若
,
,则A=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66b33aaecbc2e7ab0f3276126142a95.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3卷引用:江西省赣州市2023-2024学年高三下学期5月适应性考试数学试题
江西省赣州市2023-2024学年高三下学期5月适应性考试数学试题(已下线)专题05解三角形压轴小题归类(1) -期末考点大串讲(苏教版(2019))河南省信阳市新县高级中学2024届高三考前数学仿真冲刺卷三
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解题方法
5 . 已知数列
满足
,
,
,
成等差数列.
(1)求证:数列
是等比数列,并求出
的通项公式;
(2)记
的前n项和为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2438f2272d7b7ab51dbbe587025a553d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/479c0564241789f8f52ac4fda26e9904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6197e2365d7f39507f8671acfc25a339.png)
(1)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/213e22890204937a5dded4436369390f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef130855c8dc1accbff28762858f20bf.png)
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2卷引用:江西省赣州市2023-2024学年高三下学期5月适应性考试数学试题
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6 . 已知
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c785ad47058eb2125253e0aa4ced2750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf490c4806005987640652a36f0b35ad.png)
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7 . 已知函数
,
.若
,则k的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66d136de0765dadc7de50091fe6335e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b54e116059077988c08fba55b2483c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01338e995c701acdd2d88ac5dc8dd7a8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
8 . 函数
及其导函数
的定义域均为R,
和
都是奇函数,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e81e15b871dd32b2438ef8025bcc42d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbd86412261efa98cc6bdd1b4c1cd00e.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() | D.![]() |
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2卷引用:江西省赣州市2023-2024学年高三下学期5月适应性考试数学试题
解题方法
9 . 若集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d86adf750d687339059bee99ce60754a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/229d79a022b93c6ecfd6226f3bba30fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6d21d136b54af22e145564ab4372344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d86adf750d687339059bee99ce60754a.png)
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解题方法
10 . 已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7f11be8d2ebbbe6d4abeb161b78137b.png)
A.若![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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