1 . 函数
定义在区间
,
,都有
,且
不恒为零.
求
的值;
若
且
,求证:
;
若
,求证:
在
上是增函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cead849c0dc4a82285808a7e081ad75c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10570c017a8e9ced002591abf78bc2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf30188c22ac25070805524f9d3ecf33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cb07fc041df359b25b6b47bcc4d024e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388f328e3593af8891ace6e36aa00ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b329c4dda26555f33053b1d65e1f4c12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/807aa53fc1daab149bd87713c378a055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bb89a362c1faf4d0c306eabbb59710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d03939641eb640b6392f9e6f1b143be4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cead849c0dc4a82285808a7e081ad75c.png)
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名校
2 . 若函数
在
内有两个零点,则实数
的取值范围为_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b8a6e8d9576fb20fb630dd1d2e309c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44c106703fb8213ed2e9b6cf154f8a97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3 . 已知函数
是定义在
上的偶函数,当
时,
,若函数
有且仅有
个不同的零点,则实数
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a154aa77357cb73cbcd37275d873a324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c8f30dcb2cdb8d88fca0b3bf60ea9fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b480d04ee966a028e0febdf54d4415db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-02-23更新
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3卷引用:2016-2017学年四川省资阳市高一上学期期末考试数学试卷
名校
4 . 已知
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa16219c81e59619944814961f4f0c8.png)
(1)讨论
的奇偶性;
(2)当
为奇函数时,若方程
在
时有实根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa16219c81e59619944814961f4f0c8.png)
(1)讨论
![](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/f6dffb2d7203d3d40dae17b25b739c1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2019-01-31更新
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3卷引用:【全国百强校】山西省长治二中2018-2019学年高一上学期期末考试数学试题
5 . 已知常数
,若函数
在
上恒有
,且
,则函数
在区间
上零点的个数
是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211ead7b4685ef34e3dc991e533d11c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b7e012b3e1fb68a01c9380961a5912.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f806a707cc721f26a089763f18aa828.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dbb1954366e27659a98711f1ac65085.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccca2943897124949ee7efe157a16b29.png)
是
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2019-08-17更新
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840次组卷
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2卷引用:上海市宝山区2018-2019学年度高一下学期期末数学试题
6 . 已知函数
.
(1)求不等式
的解集;
(2)函数
,若存在
,使得
成立,求实数
的取值范围;
(3)若函数
,讨论函数
的零点个数(直接写出答案,不要求写出解题过程).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/974d9aea54bbdc92508998a882e4f9f5.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31b687247b7ca16a7813e3881d18a52.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d92eafe586ba8507634140cc46189de9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45745b3b43bcc8c406bac90ce9bcf3d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c29f5020d133f458912dc3da22b8127d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a715aa8abbb74229e692aa7f28d00b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df376a283f245976966c89bf1d7ae461.png)
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名校
7 . 若函数
满足:对于任意正数
,都有
,且
,则称函数
为“L函数”.
(1)试判断函数
与
是否是“L函数”;
(2)若函数
为“L函数”,求实数a的取值范围;
(3)若函数
为“L函数”,且
,求证:对任意
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1c616c85cac27a0421759afeb388d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e183e725a5a0583bde872fb8cdae9fd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b8124a7b01854855f4782edd17c55b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
(1)试判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5e777b4575a9fe735983499dd49e7ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7169e4bbd0a7987fcaa7a177f120e860.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c216b9287c2514ecf41d0e0a9963748.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09ed1362cff046dd422a983c4699fed2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f14f13f3d82ce0d74817fce2f75d6824.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df02a2ab549df618198b6bb9be76e0b1.png)
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2017-04-20更新
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1320次组卷
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7卷引用:2017届上海市黄浦区高三4月高考模拟数学试卷
8 . 已知函数
的定义域为实数集
,满足
(
是
的非空真子集),若在
上有两个非空真子集
,且
,则
的值域为__________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a97f89b64fb6704f7730fc834e705d50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/184beeb6d0967c68e0f2b400efc32521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b974c96430d008f93e1698c6d71a604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad57e3727b7bbd795b05332fbf9649e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f65bda40f5ddedfbd732863484fcb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d7c37aeae8d9f459d641db31f90a19.png)
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名校
9 . 设函数y=f (x)是定义域为R的奇函数,且满足f (x-2)=-f (x)对一切x∈R恒成立,当-1≤x≤1时,f (x)=x3,则下列四个命题:
①f(x)是以4为周期的周期函数.
②f(x)在[1,3]上的解析式为f (x)=(2-x)3.
③f(x)在
处的切线方程为3x+4y-5=0.
④f(x)的图象的对称轴中,有x=±1,其中正确的命题是( )
①f(x)是以4为周期的周期函数.
②f(x)在[1,3]上的解析式为f (x)=(2-x)3.
③f(x)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be85e4810f6b46a7ce2cf3a0d9dc54f.png)
④f(x)的图象的对称轴中,有x=±1,其中正确的命题是( )
A.①②③ | B.②③④ | C.①③④ | D.①②③④ |
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2017-10-10更新
|
1202次组卷
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2卷引用:河北省大名县第一中学2018届高三上学期第二次月考(理)数学试题
10 . 如图,
是半圆的直径,C,D是半圆上的两点,
,
,设
,四边形
的周长为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/1/199f10e4-51a4-4e32-a9df-95cd952248f1.png?resizew=155)
(1)求函数
的解析式;
(2)若关于x的方程
在区间
上有两个不相等的实数根,求实数m的取值范围;
(3)记
的面积为
是否存在实数a,对于任意的
,总存在
,使得
成立?若存在,求出实数a的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37591109b0a0ec5ffe2133f83310eca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/341e8dae00f6b2abc94199ccfd6cf180.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56dd867255b20037e5c1d100b4b5b6d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/1/199f10e4-51a4-4e32-a9df-95cd952248f1.png?resizew=155)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa39265c29946f3b2b0e19c6c8c27e3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7242b2ab643f9470da77e29d043b893.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03142789518a68bf19c1b8a42ec59afd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5971eb73df8b9a8987f03621740098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92ccd9d50e1b783f71819f2d5e0b05c1.png)
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2020-02-14更新
|
425次组卷
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2卷引用:浙江省台州市2019-2020学年高一上学期期末数学试题