1 . 已知函数
,
,
.
(1)讨论函数
的单调性;
(2)设
,若
存在零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff3ceaa49d54e05239611a310002f3ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd656c104f354d66f7055effb50180d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca4be345087f993a4078e16c16608e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2 . 已知函数
.
(1)若
且仅存在两个整数
,使得
,求
的取值范围;
(2)讨论
零点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377d238c69c7c9829280ca67f8bf1bc4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d217c7b12e12e5fb67472452518859ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
2024-02-05更新
|
226次组卷
|
3卷引用:陕西省西安市阎良区教育局2023-2024学年高二上学期期末质量检测数学试卷
陕西省西安市阎良区教育局2023-2024学年高二上学期期末质量检测数学试卷(已下线)专题1.8 导数的零点问题(强化训练)-2023-2024学年高二数学下学期重难点突破及混淆易错规避(人教A版2019)陕西省西安市经开第一中学2023-2024学年高二下学期第一次月考数学试题
3 . 已知函数
.
(1)若
是偶函数,求实数
的值;
(2)当
时,
,若关于
的方程
在区间
上恰有1个实数解,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06eeb6ee6acf06beac15b9ba0d44cdba.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14f7eb9e5d0d2dc6c8897f6c7863518.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfa0b6033aba3978ab687ce54d35f58b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a13f3df2e1a444f41bc132431848eaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
4 . 已知函数
,
.
(1)若
,讨论函数
的单调区间;
(2)若
有两个零点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd51a3ec4ffe59f141ee04a42abb3a5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
5 . 定义一种新的运算“
”:
,都有
.
(1)对于任意实数a,b,c,试判断
与
的大小关系;
(2)若关于x的不等式
的解集中的整数恰有3个,求实数a的取值范围;
(3)已知函数
,
,若对任意的
,总存在
,使得
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3c2f679d53b91088ba6eb14c16cbc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2671f593186fa00f17ad26eba7b8f3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a8c23336002eb5d7c478479fcda799f.png)
(1)对于任意实数a,b,c,试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fda9c56c7993236c0ebdfe08d110ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b98e8a20e1e3d328265269df6b2927ad.png)
(2)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b80fef6a2dd7e822d83ae45ea79a5357.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06fc1f7733bebb86885b6e6fd0534e1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d8b60555f0d82c386c5b935c23ff952.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12965bbc260bdbb0df0a110e59fb8d78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93bf66ef253242900ca1702121238b14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52dc0bb1b1d25a0e86babc0edc627e44.png)
您最近一年使用:0次
2023-07-11更新
|
515次组卷
|
3卷引用:山东省青岛市莱西市2022-2023学年高二下学期期末数学试题
6 . 已知函数
.
(1)当
时,证明:
;
(2)若函数
在
上只有一个零点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360cf074f25741cf9f57428d79b1b98c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3641891c2d679702c89f19e00b31ca4c.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
您最近一年使用:0次
7 . 已知函数
,
.
(1)若函数
的定义域为
,求实数a的取值范围;
(2)设
,记函数
,且
在
内仅有2个零点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231b26b82d33859e60ed29b669943b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427db3ffbba1f1b9285f807c52080991.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/871c7ad12ed93b25d95d6034bc180daa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f26155f7aa7e49056921f9741e594bf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcafc95a0527841c29a58d4f7d85e232.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
您最近一年使用:0次
8 . 已知定义在R上的函数
,其中a为实数.
(1)当
时,解不等式
;
(2)若函数
在
上有且仅有两个零点,求a的取值范围;
(3)对于
,若存在实数
,满足
,求
的取值范围.(结果用a表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b151084e6d3718cd67e5611ad7163a6.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efd78eaaea022ca802d231c741ac2779.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
(3)对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53557175dd87da7a5e5162fa4ae9f281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2860ac4d3997accc7093982bc53c3264.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d5eee24c7cd69c63003eda7868ed7.png)
您最近一年使用:0次
2023-06-22更新
|
222次组卷
|
2卷引用:浙江省宁波市2022-2023学年高二下学期期末(学考模拟)数学试题
9 . 已知函数
.
(1)当
时,求
的零点;
(2)若关于
的方程
区间
上有三个不同的解
,且
,求
的取值范围;
(3)当
时,若在
上存在2023个不同的实数
,
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f212852db563b9c98e05ea479d04faf.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba87feac4b44b3ee55a89eeb7a39e5e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/953810dff2d248ff297b614947c0c7c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafaeedddee618f5e86a5f2efd15b2cd.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5432187d1c042787433b7633292d00fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d794cba35f3da2db955630f80fb4960d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3cac074d8313c9a9d73c48a75fefc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23013b553ea15ec92f8754de0bc738fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
10 . 已知函数
,
(1)讨论函数
的单调性;
(2)若函数
在区间
上存在两个不同零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cf6e96456bcde17c9d6394ff9f8af4e.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f80237cf0eadc0cb018335113245e6ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-03-17更新
|
677次组卷
|
4卷引用:陕西省渭南市大荔县2022-2023学年高二下学期期末文科数学试题