1 . 已知
,有下列4个命题:
①若
,则
的图象关于直线
对称;
②
与
的图象关于直线
对称;
③若
为偶函数,且
,则
的图象关于直线
对称;
④若
为奇函数,且
,则
的图象关于直线
对称.
其中正确的命题为 .(填序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/795ec7654fe3dffe33f6268abdc100df.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6595549cdf8e186ce52fdda0bd717cee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/785b7eb350291434dd950b2e01f5144e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ae3a1a5e5ccf6320a76b2e395e6700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec19e90c5eaec440da323dc6819beb40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bd8a9ee1967046ac47e6293ec11e6f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
其中正确的命题为 .(填序号)
您最近一年使用:0次
2016-12-04更新
|
1254次组卷
|
6卷引用:2016届吉林四平一中高三五模理科数学试卷
解题方法
2 . 若函数
,当
,时有
恒成立,则
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51fc2370369f390db8d6b6748763e38b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40097e3f7221d83d955764ebe364c08f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2009d40092d8d8fb785f433930a3a064.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
3 . 已知函数
满足
,当
时,
,则函数
在区间
内的解集为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aad64f6a528d0cdb3974565e35498eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b18d01924477667daa5b216da44351f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7f9b35017daa8b524c5717a355834a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/705c37ee0f67e80b3a148e52127287fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95f58fb4a96be9939321d5e79950f65.png)
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2020-07-22更新
|
330次组卷
|
3卷引用:吉林省示范高中(四平一中、梅河口五中、白城一中等)2020届高三第五次模拟联考数学(理)试题
名校
4 . 已知数列
的前
项和
且
,设
,则
的值等于_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1bb22fbe81014a36117fc3c79328892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2438f2272d7b7ab51dbbe587025a553d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96ceef19b6f757fa0ccaea12c8ea376.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bd0dd483c7d78dd77479572a160a2e4.png)
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2020-04-18更新
|
328次组卷
|
2卷引用:2020届吉林省吉林市高三第三次调研测试(4月) 数学(理)试题
5 . 已知函数
,则使不等式
成立的x的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfa6f7ae12529130a363ce8e43f3fa0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828f4515e5f600914865960743010915.png)
您最近一年使用:0次
解题方法
6 . 已知函数
满足
,且当
时
.若在区间
内,函数
有两个不同零点,则
的范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219259b3c3b193a6fb9c7941b03d20aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c032f402a4673407ebb0ead150bfd8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64263fe2ca48e694c87496d61e63fb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea0a77380c06591f8daec549ca236545.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4441fd34e8970bd0c000113ee863edb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
7 . 函数
的值域为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa671764e7a83676caff0d105679b09.png)
您最近一年使用:0次
名校
解题方法
8 . 已知
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/130091eb409b5e410800db6817294db3.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a31c8e0872cddb84ab701dd58d0f6f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b9c5d498bc954149b209c11a69bd173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/130091eb409b5e410800db6817294db3.png)
您最近一年使用:0次
2020-07-22更新
|
282次组卷
|
3卷引用:吉林省吉化第一高级中学校2020届高三下学期适应性测试数学(理)试题
吉林省吉化第一高级中学校2020届高三下学期适应性测试数学(理)试题吉林省吉化第一高级中学校2020届高三下学期适应性测试数学(文)试题(已下线)对点练11 函数的基本性质之奇偶性-2020-2021年新高考高中数学一轮复习对点练
2010·吉林·二模
名校
9 . 已知函数
的定义域为
,若其值域也为
,则称区间
为
的保值区间.若
的保值区间是
,则
的值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5364d7d2c80c4a25094eac7ab357c4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55ab4f399d121e7dadec836d14d47a3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2019-01-19更新
|
409次组卷
|
4卷引用:2011届吉林省东北师大附中高三上学期第二次摸底考试文科数学卷
(已下线)2011届吉林省东北师大附中高三上学期第二次摸底考试文科数学卷【全国百强校】黑龙江省哈尔滨市第六中学2019届高三上学期期末考试数学(文)试题【全国百强校】河北省武邑中学2019届高三上学期期末考试数学(文)数学安徽省芜湖市2019-2020学年高一上学期期末数学试题
10 . 等差数列
中,
,公差
,且
,则实数
的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/894aaec56149f880c7cf2bbc0f358d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd00d335ff2d4a85f3b9bef043ed67d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b8be64371a9f3fcad686d703400b6ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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