1 . 已知抛物线
的焦点
到准线的距离为2,直线
与抛物线
交于
两点,过点
作抛物线
的切线
,若
交于点
,则点
的轨迹方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ea1be9b9b6bb12afa7e1ce703d1603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bb345989b8e6b19edb6983e58705eaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2 . 已知函数
,
,命题
:
,命题
:
,则
是
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63e07a6c9fe276a319c2ae46c5cff04e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/606ef9cb8c9c4f61ab2acc4c11fec693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ca31ab0a2d90bff45344cfa8cbc5c9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
22-23高二下·河南南阳·期中
名校
3 . 若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ddcafb35608dce6e953b4fc9b70bf87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1248a4101fde73b2cd17ab2506c51176.png)
A.0 | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-04-23更新
|
294次组卷
|
5卷引用:河南省南阳市2022-2023学年高二下学期期中数学试题
22-23高二下·河南南阳·期中
4 . 若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a878f163f49220aaa7f6abe0977938.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
5 . 下列求导正确的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
6 . 已知函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36ad44be3a1186a8601f7a4fbef7e223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b01cdb4a84f02a75eb447b54f73f7df6.png)
A.![]() | B.![]() | C.3 | D.15 |
您最近一年使用:0次
解题方法
7 . 一个装有水的圆柱形水杯水平放在桌面上,在杯内放入一个圆柱形铁块后,水面刚好和铁块的上底面齐平,如图所示.已知该水杯的底面圆半径为6 cm,铁块底面圆半径为3 cm,放入铁块后的水面高度为6 cm,若从
时刻开始,将铁块以1 cm/s的速度竖直向上匀速提起,在铁块没有完全离开水面的过程中,水面将______ (填“匀速”或“非匀速”)下降;在
时刻,水面下降的速度为______ cm/s.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cfa69228941dbf862c4a675a91413eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fd476a0837292db7038d10548e5955.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/17/7b422f9c-e72d-4921-8875-1d80e01e72e2.png?resizew=101)
您最近一年使用:0次
2023-04-16更新
|
376次组卷
|
6卷引用:河南省南阳地区2022-2023学年高二下学期期中热身摸底检测数学试题
8 . 已知函数
.
(1)若曲线
的切线斜率不小于
,求a的取值范围;
(2)当
时,求曲线
过点
的切线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91337e53adaf1ac41197e17d7eab242a.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01317332a203c898536b1d0459f51d23.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a81e971f501d78f5560c0c3d42f0f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
您最近一年使用:0次
解题方法
9 . 已知函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca55a535be3c8cb515e7a84578bfb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71599cd707909eb30d2a54be7f8c966.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
10 . 已知函数
,直线
,若直线
与
的图象交于A点,与直线l交于B点,则A,B之间的最短距离是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa3fc30e8ef6ab6f3d33a20bee48d8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061af1c7a4480004221e253d813efe07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe2d78f43611bad0d264eb3222f2472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.4 | C.![]() | D.8 |
您最近一年使用:0次
2023-04-16更新
|
463次组卷
|
4卷引用:河南省南阳地区2022-2023学年高二下学期期中热身摸底检测数学试题
河南省南阳地区2022-2023学年高二下学期期中热身摸底检测数学试题甘肃省白银市靖远县2023届高三下学期第二次联考文科数学试题(已下线)模块一 专题1 【讲】《导数的概念、运算及其几何意义》(人教A2019版)(已下线)模块一 专题1 《导数的概念、运算及其几何意义》(苏教版)