1 . 有两个点在
轴上移动,
时刻的位置分别由函数
和
确定,在
时段内两点重合的时刻
有( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae0121a2cb91e74b140faaea8625f45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/154af96f31ee0ed975ec94408bb645db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8ec0ccdb6db6fbaeb1172e281ec22f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
名校
解题方法
2 . 已知
,实数
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58004a84652695e1379c4ddc4f633017.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次
2021-05-05更新
|
601次组卷
|
5卷引用:浙江省台州市2021届高三下学期4月二模数学试题
浙江省台州市2021届高三下学期4月二模数学试题(已下线)专题3.导数 -《2022届复习必备-2021届浙江省高考冲刺数学试卷分项解析》浙江省绍兴市诸暨市第二高级中学2021-2022学年高三上学期期中数学试题(已下线)专题02 导数的基本应用(讲)--第一篇 热点、难点突破篇-《2022年高考数学二轮复习讲练测(浙江专用)》安徽省六安市舒城中学2022届高三下学期仿真模拟(二)理科数学试题
解题方法
3 . 在下列函数①
;②
;③
;④
中,满足在定义域内
恒成立的函数个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04beea76c59a6c5b096d8c5a3b77f8a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc873fc03e6e4d3c4ba02f8b1147b20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7f9b35017daa8b524c5717a355834a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c8a7415f59399b4b1a46489252af39a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/355077ec40bb6fe668ac85944445878a.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2021-08-04更新
|
568次组卷
|
2卷引用:北京市大兴区2020-2021学年高二下学期期末数学试题
名校
4 . 已知函数
,则下列命题为真的个数是( )
①
的极小值点为
;
②若存在
,使得
,则整数
的最小值为
;
③若
,则当
时,
有两个零点,且其中一个零点所在的区间为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a45a166e350e41316ff1bb39b23230.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df87927dc77cadd6e99be244d8ed8e22.png)
②若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee21db6628e4db3f5831370549fa96b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92755ed40510a358dcb77392749fd792.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d0ebe1f9cf6eef40ef0f26f2afa77f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fb58461e483f28100cf5bc88f33d870.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021·浙江·模拟预测
5 . 已知
,
,若对于任意的
,都有
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73254f32b6da29ecc32df2e9f87a4c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/811daa51a108587cf660c3dc1c14009c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66ef59c3970f3581a5ea29e21fd564d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a884977c31826dd3ab4e74d9302c2880.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() ![]() ![]() | D.![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
6 . 若函数
满足
,则称函数
为延展函数,已知延展函数
和函数
,满足当
时,
,
.给定以下两个命题,则( )
①存在函数
与
有无穷多个交点;
②存在函数
与
有无穷多个交点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87695ff43906838ce161fa0a146d1d0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9e8c02924ac2ab7f930e03d96b8fc72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/428d922e63d8a0838da6fdacee919ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67a8cca804253e0975a7976f5615ad20.png)
①存在函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/681400804c48154314c35da776022fc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
②存在函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/681400804c48154314c35da776022fc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
A.①真②真 | B.①真②假 | C.①假②真 | D.①假②假 |
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解题方法
7 . 已知
满足:①
是
图象上任意不同的两点,且直线
的斜率恒小于1;②存在
及无数个
使得
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b7a73058ee4d7197a2fa9a3245a1192.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a1467ecf286e3cadaf5aa006606f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f141a636346850589fa38f8e5cc1ae86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022·全国·模拟预测
8 . 已知函数
,若
满足
,
,
,且对任意
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64d1f6f459292de1002f863203ce91a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc3d936c2f070789075f1c64a99c4ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b657825e125691bb6a804c7e3dc1b869.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a3e655c115ebddfb067d948f32e867e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c163db2c7788d48dc82c92e73d47c0b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/849d31f9a43cd82a6411b6da8aa766d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0ef98cff324375eb11ec4b9342004c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebb98ff3a2c5b3482a408066011108af.png)
A.0 | B.6 | C.-6 | D.8 |
您最近一年使用:0次
2023·河北·模拟预测
名校
解题方法
9 . 若
,则当b变化时,
的大致图像不可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7548e1b89c560d49d0056b4e355c581f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
10 . 设正数
不全相等,
,函数
.关于说法
①对任意
都为偶函数,
②对任意
在
上严格单调递增,
以下判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56667aabbe787eb1c3189d487d203e22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d74781f2fcb2c572de65c4f702d5457.png)
①对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75c03244f2565ccad815ed9305655b4.png)
②对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75c03244f2565ccad815ed9305655b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d720165be8b61db4a8b305ad47c7f2a0.png)
以下判断正确的是( )
A.①、②都正确 | B.①正确、②错误 | C.①错误、②正确 | D.①、②都错误 |
您最近一年使用:0次