名校
解题方法
1 . 已知函数
存在4个零点,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/510c29b9c47713c3566f7d88c0902e36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-06-15更新
|
2455次组卷
|
8卷引用:上海市建平中学2021-2022学年高二下学期6月月考数学试题
上海市建平中学2021-2022学年高二下学期6月月考数学试题湖北省九校教研协作体2023届高三上学期起点考试数学试题(已下线)专题05函数的零点运算(提升版)河南省实验中学2022-2023学年高三上学期8月月考数学试题(已下线)第21讲 导数的八种解题模型-2(已下线)数学(乙卷理科)福建省厦门第一中学2022-2023学年高三上学期期中考试数学试题(已下线)专题06 函数与导数常见经典压轴小题归类(练习)-1
2 . 设
,若对于满足
的三个不同实数
,恒有
,则实数a的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09180cd02034cf3cae7827c7f3df828f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e45e961dd36b8f85703c91f248da3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2243513b880087c89c0aa4f662a4af26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e5caadab8cef307757a98251af3bd7.png)
您最近一年使用:0次
3 . 设函数
,
,
,取
,
,
,
,则
,
,
的大小关系为________ .(用“
”连接)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a04e15196ce905f578e53b845242ee30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/425c67c8c78ed8a09410355fe08ee85f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51e9f76dd74f65d74b6a522b1acc0018.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c86e97e1722aaab102d235f1c186d6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56e9b154373fdb7bafed8e99120b34aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891da4e5f3af604390021d43b5c3fd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90de8c0588e022b64be34e79244a1889.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/4ff7942da6c3fc4005256fb1458557c0.png)
您最近一年使用:0次
2020-08-03更新
|
2042次组卷
|
2卷引用:江苏省南通市2020届高三下学期高考考前模拟卷(五)数学试题
4 . 已知动点P(x,y)满足|x﹣1|+|y﹣a|=1,O为坐标原点,若
的最大值的取值范围为
,则实数a的取值范围是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65382c5cd3a7c45e32af789bdbbd20f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94576cdfaf706cf90a29c9c48a0281c.png)
您最近一年使用:0次
名校
5 . 已知
若存在
,使得![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13968e8cf32dcfb092ba65dd30f4d3c8.png)
成立的最大正整数
为6,则
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d3e6c34887eff6eb09cf2a3f503ba26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a5edc094fdbea86218a9a0cb94427f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13968e8cf32dcfb092ba65dd30f4d3c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d23ecc698629eb5360cc7bc2af1a36b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-04-23更新
|
1656次组卷
|
4卷引用:2019届浙江省十校联盟高三下学期4月高考适应性考试数学试题
名校
6 . “解方程
”有如下思路:设
,则
在
上为减函数,且
,故原方程有唯一解
.类比上述解题思路,不等式
的解集为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc8fee13d6f190523ff6699e8fbc749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ffcaabba3c20311125062a56e64993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4ed4485745f1d259a3953c242b9cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a050b963ee0f077ba077d3e60c9f34a4.png)
您最近一年使用:0次
2020-04-16更新
|
909次组卷
|
3卷引用:河南省开封市兰考县等五县2018-2019学年高二下学期期中联考数学(理)试题
名校
7 . 若
为实数,且关于
的方程
有实数解,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c2d4cc492ce1124dd7799698ad7bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
8 . 已知关于
的方程
有两个不同的解,则实数
的取值范围是________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b4772f1e123e5f2fe9235b727a2692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-02-28更新
|
1713次组卷
|
2卷引用:上海市东昌中学2019-2020学年高二上学期期末数学试题
9 . 已知函数
,其所有的零点依次记为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83517fc1823cb89bd195c243716873a4.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0deb8728fd8f14f4b176127be7e87986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96865da9987ff56ccaa0460438c32765.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83517fc1823cb89bd195c243716873a4.png)
您最近一年使用:0次
2020-02-24更新
|
1243次组卷
|
2卷引用:浙江省温州市2019-2020学年高一上学期期末数学试题(A)
10 . 设
表示不超过
的最大整数,若
,
.给出下列命题:
①对任意的实数
,都有
.
②对任意的实数
,都有
.
③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df56efe6ed1bfa4021e88d8bae4e0181.png)
.
④若函数
,当
时,令
的值域为
,记集合
中元素个数为
,则
的最小值为
,
其中所有真命题的序号为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87ea02e718c638f94174db08de61ea3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613004861ffc72cf3e54fd76340668b2.png)
①对任意的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93a3db6bb2a0792a77c68bca20cfe1aa.png)
②对任意的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e647c14561826ba9e396acc5a3792c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60eda5c3fa0ead52a7c2ed7e22c53a2.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df56efe6ed1bfa4021e88d8bae4e0181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e49000ba7969ea66882d538cc535017.png)
④若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff02a56bf1cf2ab3a8c40c64fd229d27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d74b124eec3a4a8b4f7576c422f2ea12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5deee175c1448d248c4a6ece3e465da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47424eb68b9e8aba4ceb8309d82d32ec.png)
其中所有真命题的序号为
您最近一年使用:0次