1 . 将函数
的图象沿x轴向右平移
个单位长度后,得到一个偶函数的图象,则
的一个可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e1df335ab145ac291268ef49c1151f5.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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2023-03-22更新
|
1300次组卷
|
2卷引用:北京大兴区教师进修学校2023届高三下学期开学检测数学试题
2 . 已知复数
,
满足:
在复平面中对应的点为
,且
,则
不可能是下列的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c7b74fd862d7e3f35e40ae1f626c4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/622ad63ba31e5dabf910a1ea90f04bc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
A.1 | B.![]() | C.i | D.![]() |
您最近一年使用:0次
2023-03-10更新
|
283次组卷
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2卷引用:北京大兴区教师进修学校2023届高三下学期开学检测数学试题
解题方法
3 . 已知函数
,若对任意的
有
恒成立,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdd6412d4223e5d2ef2b9034464eafc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a79d7f73b6128650bf7aed538260c72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ace4125503fb80f66989d54950b82f30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知抛物线
,则
的焦点坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8227b5c783317593d9ed52062d2c1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 若函数
在
上单调递增,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9892fe90c6f12035d2ddbb562abae95e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc7166d9949cad9e2c3b3fd1fe5b9fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-02-19更新
|
726次组卷
|
2卷引用:北京大兴区教师进修学校2023届高三下学期开学检测数学试题
解题方法
6 . 已知函数
,则函数
的零点个数为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f98226b7b8e67169c63fb59531d29a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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7 . 已知函数
,
为函数
的导函数.
(1)求
的图象在
处的切线方程;
(2)求函数
的零点个数;
(3)若函数
在区间
上有最小值,其中a为正整数,求a的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d451d79f4034468f2cbd192a22bfd2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a0142b68b730299ea4e9dd70b6ac340.png)
您最近一年使用:0次
2023-02-19更新
|
834次组卷
|
3卷引用:北京大兴区教师进修学校2023届高三下学期开学检测数学试题
8 . 已知
,则当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
___________ 时,
取得最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0e569b75e46178451e7e70a51bb6b4.png)
您最近一年使用:0次
2023-02-19更新
|
293次组卷
|
2卷引用:北京大兴区教师进修学校2023届高三下学期开学检测数学试题
9 . 已知圆
和两点
,
.若圆
上存在点
,使得
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3246384cf52081858913bbc04b9703de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4504b40c31bed273f8c0ce9ec96e6cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5897078ac133453a5fe7eeb979487464.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9b9bb0f509e6f3d30858efb217c1f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.12 | B.11 | C.10 | D.9 |
您最近一年使用:0次
2023-02-19更新
|
375次组卷
|
2卷引用:北京大兴区教师进修学校2023届高三下学期开学检测数学试题
10 . 已知底面ABCD是矩形,
平面ABCD,
,
,
,点
、
分别为线段
、
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/24/46f20a0c-b272-4924-b77f-3448474cc230.png?resizew=176)
(1)求证:
//面PADQ;
(2)求二面角
的余弦值;
(3)设点M是线段AC上一个动点,试确定M的位置,使得
//平面PCQ,说明确定的理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1410e2c7b6ce34ba7c6787d7ec5aa31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c552df4af28e6a0a7cb993731958fddf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f53330c107f8245290a5a42c3d356acd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/24/46f20a0c-b272-4924-b77f-3448474cc230.png?resizew=176)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ef2afe63f6c92ec2e554115986d7d9.png)
(3)设点M是线段AC上一个动点,试确定M的位置,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a424b50eaeafa6f302ffd95476cb86.png)
您最近一年使用:0次