1 . 已知函数
.
(1)求
的最小正周期;
(2)判断函数
在
上的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cfa2b7bbf054f1428bc3100bb432f83.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd585e05cb7d0b6131707ff89425c6cb.png)
您最近一年使用:0次
名校
2 . 已知
是定义在
上的奇函数,且当
时,
,
.
(1)若函数
恰有三个不相同的零点,求实数
的值;
(2)记
为函数
的所有零点之和.当
时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c8bd00a1b1c012681aab8513b755cbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd1b693975ad63cfb7356df39310e18d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039f9392112593405d4c0f1bea7d31f3.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2ac429737efebf150a1bd088ba846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f4d422ecdb25865c8bfb3a362a83095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2ac429737efebf150a1bd088ba846.png)
您最近一年使用:0次
2020-09-20更新
|
505次组卷
|
5卷引用:江西省进贤县第一中学2021届高三教学质量检测数学试题
名校
3 . 已知函数
,函数
.
(1)若函数
在
和
上单调性相反,求
的解析式;
(2)若
,不等式
在
上恒成立,求
的取值范围;
(3)已知
,若函数
在
内有且只有一个零点,试确定实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ebb78812f0aac0309e829b69958f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177c8970045633ba170ec8de043a08df.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b7985d10eebc1abb5fea36eaf752af2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27e0400d730672ae2110ff48786dd1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8488e509c8402f01fae298324af70be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae0097b2a40fd339906bb03607246d68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fe2115d883d13561e28006d3f6143b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9beccaa0e4ee6e08e21f876d6a61900a.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
2020-09-13更新
|
315次组卷
|
3卷引用:江西省新余一中、樟树中学等六校2019-2020学年高一下学期第二次联考数学(文,创新班)试题
解题方法
4 . 已知函数
满足
,
且
的最小值为
.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
(1)求函数
的单调递增区间;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd37ae68e17de4a74d0bffccd4efd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0680ea9cb3f087d3ce583c3e794af66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1052477f51f94d0a2db63c7d65d06c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fd20a13f48f2188ed6911c79236e941.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b59d4aaaf7530f9bd32f8908ffe8fd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a080cab44a7d3605430d67b207f9be.png)
您最近一年使用:0次
名校
解题方法
5 . 已知函数
是奇函数.
(1)求实数
的值;
(2)用定义证明函数
在
上的单调性;
(3)若对任意的
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ca40768633bd9f705ab339013a2f917.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)用定义证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(3)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/728cabb17b7096788bf8dbb8909cde72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2020-08-11更新
|
407次组卷
|
11卷引用:江西省2018届高三年级阶段性检测考试(二)文科数学试题
江西省2018届高三年级阶段性检测考试(二)文科数学试题2018届江西省高三年级阶段性检测考试(二)理科数学2016-2017学年黑龙江哈师大附中高一上学期期中数学试卷(已下线)《2018-2019学年同步单元双基双测AB卷》【理科数学B】第二章第一练基本初等函数与函数性质的应用(已下线)《2018-2019学年同步单元双基双测AB卷》第二章第一练基本初等函数与函数性质的应用甘肃省庆阳市宁县二中2019届高三上学期第一次月考数学(理)试题人教A版(2019) 必修第一册 必杀技 第四章 素养检测安徽省滁州市定远县育才学校2019-2020学年高一上学期9月月考数学试题(已下线)专题2.3 函数的奇偶性与周期性(精讲)-2021届高考数学(文)一轮复习讲练测广东省广州市华南师范大学附属中学2020届高三上学期9月月考数学(理)试题4.5.1+4.5.2函数模型及其应用
名校
解题方法
6 . 设
,且
为奇函数.
(1)求实数
的值;
(2)设函数
令
,求
;
(3)是否存在实数
,使得不等式
对任意的
及任意锐角
都成立?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/20307753572f454e75fad537c2abe045.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65db4c0a56617bcecb2e18972ea398bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65cec6370b6c583cc73a56f87599d0b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(3)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/454a6172f81f59152304135fd1ddf36f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2020-08-01更新
|
220次组卷
|
3卷引用:江西省萍乡市芦溪中学2023届高三第一次模拟数学(理)试题
7 . 已知函数
.
(Ⅰ)若
时,解不等式
;
(Ⅱ)若
的值域是
,若
恒成立,求k的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47bfdff4d543b742e29465ef177315e0.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48adb8a59b5c02fad5eada1b35171cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb87dbf2921d9299a444e14029af1a9b.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad3cc66a47b09bd04e29c82b55faf22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e38d61d06e086d57d7664cb07994211.png)
您最近一年使用:0次
2020-06-20更新
|
722次组卷
|
5卷引用:江西省上饶市横峰中学2020届高三下学期高考适应性考试数学(理)试题
解题方法
8 . 已知
,且
.证明:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa70cba471ba57de69c962db483173f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751e274e9107d780c39ba9c49d6daefb.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db3f0ddb1d6e294893c4a7203695312.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10d7f2f938a33a586408da13f1bfeb7.png)
您最近一年使用:0次
名校
解题方法
9 . 如图,在
中,
,
的角平分线
交
于
,设
,且
.
![](https://img.xkw.com/dksih/QBM/2020/6/8/2480353622671360/2480400286375936/STEM/8182f8149b814df4a181606beffc7ac1.png?resizew=154)
(1)求
值;
(2)若
,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6df97e7e9cb10fc90403b41e80e1c460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e062b576227465b4512dd653c3f16d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/750303cc97d19b55b5acbc9f162909c2.png)
![](https://img.xkw.com/dksih/QBM/2020/6/8/2480353622671360/2480400286375936/STEM/8182f8149b814df4a181606beffc7ac1.png?resizew=154)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5509269c540ac83ba34d2e8a31242903.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914a0f9a14fd49a938a90618cc5843e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2020-06-08更新
|
560次组卷
|
2卷引用:江西省名师联盟2020届高三5月联考理科数学试题
解题方法
10 . 已知
的内角
的对边分别为
,且满足
,
为锐角.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/9406ac1a-a2e7-42d2-8ac1-589e20678209.png?resizew=186)
(1)求角
的大小;
(2)若
,点
为边
上的动点(不与
点重合),设
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50094e95067bafcaadeb397551afed82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/9406ac1a-a2e7-42d2-8ac1-589e20678209.png?resizew=186)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e3d13f752b882010eb488abc295bf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2097f304e06ae563ccf77cfbd93abbd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2020-06-03更新
|
344次组卷
|
2卷引用:2020届江西省上饶市高三三模数学(理)试题