名校
解题方法
1 . 设函数
对任意
都有
,且当
时,
.
(1)求证:
为奇函数;
(2)试问在
时,函数
是否有最值?如果有,求出最值;如果没有,请说明理由;
(3)解关于
的不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcbca3478eae63853d2aab5332e2e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd384d86840b7b158af41f56fe29c7d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57fac548a1d327a9a4ebe9f3aeee8949.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)试问在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99be60f95db4256c52dfcae9d09e42bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(3)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffdb35818b2cc9e7a92b849679053aed.png)
您最近一年使用:0次
2020-12-29更新
|
273次组卷
|
2卷引用:江苏省常州市前黄高级中学2020-2021学年高一上学期期中适应性考试数学试题
名校
解题方法
2 . 已知二次函数
满足:①对任意实数x,都有
;②当
时,有
成立.
(1)求证:
;
(2)若
,求函数
的解析式;
(3)在(2)的条件下,若
,
成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c43c6dbeab3ca3c3d1ec292dafebd8f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8559250e7a91f36fe7a8ec6ce6a1550f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d2103dbec605f1c872cb00c3402a94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f4007104de19a31b585174d0f6ad5a1.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3587ff064f9af01371279ab75d22116c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef2635c6e599f816c706e471a3c197d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)在(2)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa35bc5be85c853edd90f2a6d5727202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be9489de2f243f8f01e2029f06be4661.png)
您最近一年使用:0次
名校
解题方法
3 . 已知关于的函数
中,a+b+c=0,(3a+2b+c)c>0.
(1)求证:方程
有实根;
(2)求
的取值范围;
(3)设
是方程
的两个实根,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f4a403ecd1810ae70357a1d308cb675.png)
(1)求证:方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4749701479ff908802f2794f1752a58.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6ce02259a85ea191541f4a708738f1.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4749701479ff908802f2794f1752a58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c875c55f2117fb4572265601f096895a.png)
您最近一年使用:0次
2020-11-04更新
|
105次组卷
|
2卷引用:江苏省苏州市常熟中学2020-2021学年高一上学期第一次月考数学试题
20-21高一上·江苏南通·阶段练习
4 . 已知不等式
的解集为
.
(1)证明:
;
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5f28031b036e4a37be931d5ff28368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b48a85c279c0742a981f499f979337e6.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c90935bd852fc88911ec7979e935cb7.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/009db35e84f9e2ed847519211918fbfe.png)
您最近一年使用:0次
名校
解题方法
5 . 设
是
上的减函数,且对任意实数
,
,都有
;函数
.
(1)判断函数
的奇偶性,并证明你的结论;
(2)若
,
,且 (①存在
;②对任意
),不等式
成立,求实数
的取值范围.
请从以上两个条件中选择一个填在横线处,并完成求解.
(3)当
时,若关于
的不等式
与
的解集相等且非空,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a80f7e98cf9a07b94f192668f3063a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/680e5faf0145e903a1215441d6524413.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23725094c363fd158166a8698971694c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/757bf8295a13223d2a6566815524a946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/757bf8295a13223d2a6566815524a946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b2826bc2dab0615397a87fa411d57b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
请从以上两个条件中选择一个填在横线处,并完成求解.
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d41613c0bdf9420f84d1f3eb37bd05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7303a592f82bbd553164c42d72f075d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-11-30更新
|
556次组卷
|
4卷引用:专题08 《函数概念与性质》中的解答题压轴题(2)-2021-2022学年高一数学上册同步培优训练系列(苏教版2019)
(已下线)专题08 《函数概念与性质》中的解答题压轴题(2)-2021-2022学年高一数学上册同步培优训练系列(苏教版2019)四川省棠湖中学云教联盟2021-2022学年高一上学期10月月考数学试题重庆市暨华中学校2021-2022学年高一上学期期中数学试题湖北省“荆、荆、襄、宜“四地七校联盟2020-2021学年高二上学期期中数学试题
名校
解题方法
6 . 已知定义域为
的函数
是奇函数.
(1)求
的值;
(2)用定义证明
在
上是减函数;
(3)若对于任意
,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/785b3ea139a5334250e4a3a4cb597f49.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)用定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ff4a1f5d3ad9d7668fe555e70b774c.png)
(3)若对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf0d7124fc0f913ff568290cf179077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2020-11-28更新
|
656次组卷
|
2卷引用:江苏省镇江市扬中市第二高级中学2020-2021学年高一上学期期中数学试题
名校
解题方法
7 . 已知函数
是定义在
上的奇函数
(1)求
的值,并证明
在
单调递增;
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f0b4632a009b41bf7e315db6dd11455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f0ca536621ec8db02707ba65917029.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f0ca536621ec8db02707ba65917029.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbe9724058006b15d6f8fd1140695443.png)
您最近一年使用:0次
2020-11-18更新
|
355次组卷
|
3卷引用:江苏省扬州市邗江中学2020-2021学年高一上学期期中数学试题
江苏省扬州市邗江中学2020-2021学年高一上学期期中数学试题山西省寿阳县第一中学2020-2021学年高一上学期第二次月考数学试题(已下线)专题2.6 函数的单调性与最值-重难点题型精练-2022年高考数学一轮复习举一反三系列(新高考地区专用)
8 . 设函数
,记
的解集为M,
的解集为N.
(1)求M
(2)若
时,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a36305e6584c9ad08155901c20b11fe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a40381e5ff37be5a549680af2d1fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc1b2771244db3a723fc34bd8d15d0e.png)
(1)求M
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94af2a91d5767a133b06dbc355988de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53128c7991836b26a9a371c52d68dfa0.png)
您最近一年使用:0次
名校
9 . 关于实数x的不等式
与
(其中
)的解集依次记为A与B.
(1)当
时,证明:
;
(2)若命题p:
是命题q:
的充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29fe1d49baa664b49bb926cbfab61654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa2f832701fd150c5cb9d64ab89d13ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
(2)若命题p:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
您最近一年使用:0次
2020-02-19更新
|
214次组卷
|
2卷引用:江苏省南通市如皋中学2022-2023学年高一上学期质量检测(二)数学试题
名校
解题方法
10 . 已知函数
.
(1)若
,且
在
上单调递减,求
的取值范围;
(2)若
,且
在区间
恒成立,求
的取值范围;
(3)当
,
时,求证:在区间
至少存在一个
,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5370ac7cc4574f157627de6faaadc3e9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71eda28755639d00f9d24b95679d9496.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4a03974ef6cb941dea8f00a172e8b99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f31d4ea8791fe0a003a932af3b1e060.png)
您最近一年使用:0次