解题方法
1 . 函数
在区间[-1,1]上的最大值为________ .
![](https://img.xkw.com/dksih/QBM/2016/10/28/1573099409399808/1573099414757376/STEM/c79abed212934b3abcff90b4b6f0d0ab.png?resizew=168)
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2 . 设
满足不等式
,若
,
,则
的最小值为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da6814175a0cbb3d8bdc20e0cf6ce620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6a789fd0c0e153dfd2ca9151d70a0a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d31bc030660aa201b832c7a4158ef5c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/768886f350bd0f375763336f3d197574.png)
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2016-12-04更新
|
777次组卷
|
2卷引用:2017届湖南长沙长郡中学高三摸底测试数学(文)试就
3 . 设A、B是非空集合,定义
.已知
,
,则![](https://img.xkw.com/dksih/QBM/2016/5/10/1572626612281344/1572626618327040/STEM/b0d9735f8445448ba9c740a7e8237a47.png?resizew=52)
______________ .
![](https://img.xkw.com/dksih/QBM/2016/5/10/1572626612281344/1572626618327040/STEM/c650a69770094e619a66d793cf06258b.png?resizew=227)
![](https://img.xkw.com/dksih/QBM/2016/5/10/1572626612281344/1572626618327040/STEM/4a6fae822e5647de9e366f374fd7a0be.png?resizew=143)
![](https://img.xkw.com/dksih/QBM/2016/5/10/1572626612281344/1572626618327040/STEM/1aff33c2925b43f6b214f3cd8c175168.png?resizew=141)
![](https://img.xkw.com/dksih/QBM/2016/5/10/1572626612281344/1572626618327040/STEM/b0d9735f8445448ba9c740a7e8237a47.png?resizew=52)
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4 . 已知函数
,则函数
的值域为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/746ba94382d0de131c16bd277df1a0f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
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2016-12-03更新
|
501次组卷
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2卷引用:2016届江苏省清江中学高三上学期周练数学试卷2
5 . 函数
在
上的最大值是7,则指数函数
在
上的最大值与最小值之和为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c083933b9ecc7c3d846f9546b4c27781.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5432187d1c042787433b7633292d00fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da53929a8f67b9aa3827fdbd73ebd265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6bfefa5b41faae17987876d570685d.png)
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2016-12-03更新
|
399次组卷
|
2卷引用:2016届湖北武汉华中师大一附等高三上第一次联考文数学卷
解题方法
6 . 函数
的值域为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11351bdb275c63313c5e21b7ee9ce6f4.png)
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7 . 集合
,
,则![](https://img.xkw.com/dksih/QBM/2015/3/12/1572004579082240/1572004584816640/STEM/734ddca8525a4ce5b43944bdcb294939.png?resizew=53)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca0fe98e532969f53b5ebaa41fd24369.png)
![](https://img.xkw.com/dksih/QBM/2015/3/12/1572004579082240/1572004584816640/STEM/c415e1ca48234c6897c9d118b32a3fea.png?resizew=162)
![](https://img.xkw.com/dksih/QBM/2015/3/12/1572004579082240/1572004584816640/STEM/734ddca8525a4ce5b43944bdcb294939.png?resizew=53)
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解题方法
8 . 已知函数
.
①若
,使
成立,则实数
的取值范围为_______ ;
②若
,
使得
,则实数
的取值范围为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b7d4d2db807399f20f8d2bdd2c66db3.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/840adfb2f04fde43f833ca8a419b8413.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4121560556589012945bd8184a586d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c55ab9ac6eab14d06ed90c8706da6f9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f12a48eee043f28054666eabd988a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c29f5020d133f458912dc3da22b8127d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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12-13高三上·黑龙江佳木斯·阶段练习
9 . 给出下列四个命题:
(1)函数
的值域是
;
(2)为了得到函数
的图象,只需把函数y=sin2x的图象上的所有点向右平移
个单位长度;
(3)当n=0或n=1时,幂函数y=xn的图象都是一条直线;
(4)已知函数
,若
互不相等,且
,则abc的取值范围是
.
其中正确结论的序号是__________ (把正确命题的序号都填上)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b6bdaa0a7fa21b4dbc2fe0ff629987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b448fe164c2c2931805e3b3847dcdd75.png)
(2)为了得到函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0deb2dcfd7eef324f2f55964b23ec5a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
(3)当n=0或n=1时,幂函数y=xn的图象都是一条直线;
(4)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37672d0823af71b9880edaba4a05df2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6637110325fc5bcb6337762aecf53d4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5511a368692de27c58ec48ce968de4a4.png)
其中正确结论的序号是
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解题方法
10 . 设定义在区间
上的函数
是奇函数
,则
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3e7da139d50e49103e194500c59cd25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06fb65e5e08b5e0ea190fe5445796e07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75d12d28a25411cdc781d16210467929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19649273b4366386103ab605e3fc3b9b.png)
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