1 . 函数
在区间
上有零点,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b9704ecfb3bc5343124259933b5c3fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344c34e1c0c556ba4e4d6ba7d8b3d321.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2 . 已知函数
(
为常数,
).
(1)讨论函数
的奇偶性;
(2)当
为偶函数时,若方程
在
上有实根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5394663cf16458840af24207f7b272eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/841114e3c57c9a4251c425b0492761c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376168658dbe7f5b7f4d75fb1db545a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2021-05-11更新
|
3151次组卷
|
7卷引用:上海市松江区2021届高三二模数学试题
上海市松江区2021届高三二模数学试题(已下线)模块04 幂函数、指数函数和对数函数-2022年高考数学一轮复习小题多维练(上海专用)(已下线)考向03 函数及其性质-备战2022年高考数学一轮复习考点微专题(上海专用)(已下线)专题2.3 二次函数与一元二次方程、不等式(讲)- 2022年高考数学一轮复习讲练测(新教材新高考)(已下线)专题01 集合与函数概念-备战2022年高考数学学霸纠错(全国通用)(已下线)专题05 二次函数(模拟练)(已下线)专题05 函数【专项训练】-2020-2021学年高二数学下学期期末专项复习(新人教B版2019)
名校
3 . 已知函数
.
(1)若
是偶函数,求a的值;
(2)当
时,若关于x的方程
在
上恰有两个不同的实数解,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a24b48c1e3dffabbafd0771df1d03fc.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f81dbc0c04a99183670aa0195bc47d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67cafe5834ae7a8e9a9ad254241f079e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa66623cf54b42d6d12be4c8edaa7071.png)
您最近一年使用:0次
2020-09-15更新
|
469次组卷
|
4卷引用:河南省罗山县四校联考2020-2021学年高三上学期数学(文)试题
解题方法
4 . 设函数
的零点
,函数
的零点
,其中
,
,若过点
作圆
的切线
,则
的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f64ca55f58977262398b967fbedf231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177e0be744e33674bac48cd519c4cdcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa5b4a246f0e9a2fa3f973d757ec632.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319afc4b128ee7115d149e5858d72646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f364bd19eda02fa19a278441b2aa401b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac69e6db1df13ed64756b4f391ae9fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a66c5f00b5b38a2d052354b5611970e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2a03b95dac0a222906677188f9ef1fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
您最近一年使用:0次
2020-05-14更新
|
420次组卷
|
2卷引用:2020届江西省吉安、抚州、赣州市高三一模数学(文)试题
解题方法
5 . 已知函数
,若对任意的
,
在区间
总存在唯一的零点,则实数
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/968f3150c0e7b64eae65c2ae145f056c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68910d6217c8e26dc90e0069c16171df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-03-29更新
|
217次组卷
|
2卷引用:2020届江苏省南通市通州区高三下学期第一次模拟测试数学试题
名校
6 . 设函数
.
(1)当
时,对于一切
,函数
在区间
内总存在唯一零点,求
的取值范围;
(2)当
时,数列
的前
项和
,若
是单调递增数列,求
的取值范围;
(3)当
,
时,函数
在区间
内的零点为
,判断数列
、
、
、
、
的增减性,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3de666fa179593ba55989cee3effba.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86304c3e26200299a0480641525a283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e89220eb96a4757f2988362bc04e80c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f935fa5d0ae1b208aff21aa468ecf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a783088120d67cc98936081e80fb7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976d236dc56584727623ec6abc74c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86304c3e26200299a0480641525a283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4580cc037c0c760c728cdbb74a8154c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e89220eb96a4757f2988362bc04e80c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f935fa5d0ae1b208aff21aa468ecf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
您最近一年使用:0次
名校
7 . 已知函数
.
(Ⅰ)若
的值域为
,求
的值;
(Ⅱ)已知
,是否存在这样的实数
,使函数
在区间
内有且只有一个零点.若存在,求出
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ca9aa77f3c45afd7f2f582e52c8fa3.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b029e85e686623cdef977b2cb1f207a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅱ)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c0a8155f5a6af42d37856f6c95a0bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ad61b5f7f5725e8c22a1613ceff0924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-10-30更新
|
732次组卷
|
7卷引用:河南省平顶山市2019-2020学年高三上学期10月阶段性检测数学(理)试题
名校
8 . 设
分别是函数
和
的零点,若存在
,使得
,
和
“零点相关”.若函数
和
“零点相关”,则实数
的取值范围是________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc14778010a33f90902ff17b1ec0ac73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc14778010a33f90902ff17b1ec0ac73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66132e7418a83c4c287f376e5603616f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef5ad5ee78986a9926ba2e1fda4c6c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2ab78be248cef630e01fa2a3b2288fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2020-01-03更新
|
277次组卷
|
2卷引用:上海市七宝中学2017-2018学年高三上学期期末数学试题
9 . 已知函数
的零点
,则整数
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff0099a6b148f5e76c2fe8b850d093ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f31f3779fa9a81b736247147168a8a17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-06-17更新
|
734次组卷
|
3卷引用:狂刷08 函数与方程-学易试题君之小题狂刷2020年高考数学(理)
(已下线)狂刷08 函数与方程-学易试题君之小题狂刷2020年高考数学(理)江苏省扬州市邗江区赤岸中学2018-2019学年高二第二学期五月调研考试数学文科试题辽宁省沈阳市郊联体2018-2019学年高二下学期期末数学(理)试题
10 . 已知函数
有唯一的零点
,且
,则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/038fc9f002ed0079c9162455392af1f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/940ce640658aa1ad96dac2adeaedc923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次