1 . 已知
,且
,则
的可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc8ef902dc3481ae24d888f57466154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/737b42f22faa3fbaf945d0f5439bb5f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
2 . 函数
取得最大值时
的值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0ec7fbfe928829bafe7c587ca07e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a48345d239aaf8e9ca1ff2846c08a99.png)
您最近一年使用:0次
2017-09-13更新
|
425次组卷
|
2卷引用:湖北省武汉市2017-2018学年度部分学校新高三起点调研考试文科数学试题
3 . 给出下面命题:①函数
是奇函数;
②存在实数
,使得
;
③若
、
是第一象限角且
,则
;
④
是函数
的一条对称轴;
⑤
在区间
上的最小值是
,最大值是
,其中正确命题的序号是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b68630e5a3d2a59eea99fb1e648542e.png)
②存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0250b8de2011e51fe16a0e33935d5c.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90df641ab645927ee577e79faf18dcdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/890105f677da9bf3d5483f5344065b35.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e60b49815c5c25b48e6c74d7077851a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9af4147edfaa16c79f0710fcbf57f480.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361961d384e77423bd96ce130b0a4523.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a99fc70d2af7e8940c4d9b7e010fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
您最近一年使用:0次
2019-01-30更新
|
405次组卷
|
2卷引用:2013-2014学年湖北武汉蔡甸区第二中学高一下六科竞赛理科数学试卷
4 . 函数
的单调递减区间为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3079f3cbc57667541db886be4b2738fd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
|
674次组卷
|
2卷引用:2016届湖北省沙市中学高三考前最后一卷文科数学试卷
9-10高二下·河南郑州·期末
名校
5 . 函数
的最大值是_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/841625ac1cb939180ff7e33d53ef729a.png)
您最近一年使用:0次
6 . 矩形
满足
,点
分别在射线
上运动,
为直角,当
到点
的距离最大时,
的大小为 __________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c79e56bc6f1db8f446fc5bd34a08865.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f65dbed884e2248ec075655c684aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27935c1ef4df2d52ac697678a3c8f39d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2bc29145f6e7557711c34b443bd5e84.png)
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解题方法
7 . 已知函数f(x)=
sin2x+2cos2x+m在区间[0,
]上的最大值为3,则
(1)m=_______ ;
(2)对任意
,f(x)在[a,a+20π]上的零点个数为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
(1)m=
(2)对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
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11-12高三·湖北荆州·阶段练习
8 . 使函数
的图像关于原点对称,且满足对于
内任意两个数
,恒有
的
的一个取值可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d09afbe66724eb713792332a1698cbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de694144e7993d8a34e6c5d98664d031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ff1c6c95c55b9575cf809a2c7d1ea8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
13-14高三上·湖北·阶段练习
9 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b016c58bd8ae305e0d80b9f901a5b0e5.png)
的最大值为2,
是集合
中的任意两个元素,且
的最小值为
.
(1)求函数
的解析式及其对称轴;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b016c58bd8ae305e0d80b9f901a5b0e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ec23af5cff855dfce76d7aaa38f440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2329ec5ce682f568a0842aa81518270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c86b226a99b41b9d5864fc1ca6608a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408a2ab4d89529e975781d763d7713eb.png)
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10 . 已知函数
(
)的最小正周期为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc07f5e07446545d16704b034d67638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7314e09274824bea4f7fd6e4302b4a35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
A.其图象关于点![]() | B.函数![]() ![]() |
C.函数![]() ![]() | D.其图象关于直线![]() |
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