名校
1 . 若
,且
,则
的取值范围是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69818dca5a390bb2170f45036eb3265c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10c78c29e13ab82f715c581564ce0f53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
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名校
2 . 已知函数
,其中
.若
对
恒成立,则
的最小值为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc11dc287e6a0b673dcbcd9d71ec922a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4986ce6da31b7b3fe20504b0ee37accd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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2017-10-12更新
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862次组卷
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3卷引用:江西师大附属中学2017届高三10月月考数学(理)试题
3 . 已知函数
,则它的奇偶性是______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65be12d57920a62807f3d68a46c75c2b.png)
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13-14高三下·江苏淮安·阶段练习
4 . 若关于
的方程
在区间
上有两个不同的实数解,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad73f0d9f600971069705ba314e96c9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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10-11高二上·河北唐山·阶段练习
5 . 下面有五个命题:
①函数
的最小正周期是
;
②终边在y轴上的角的集合是{
|
=
|;
③在同一坐标系中,函数
的图象和函数
的图象有三个公共点;
④把函数
的图象向右平移
单位,得到
的图象;
⑤函数
在
上是减函数.
其中真命题的序号是__________ (写出正确命题的序号).
①函数
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/9b9dcd92ee684ce4a649415eea6b53b3.png?resizew=127)
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/1d8afdf2b38642c59ccc8e6625a314a5.png?resizew=13)
②终边在y轴上的角的集合是{
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/85dbc4dc794c4eed854b1ea47e98433d.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/85dbc4dc794c4eed854b1ea47e98433d.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/88c01eb4347f4f9b8667aa8703658422.png?resizew=67)
③在同一坐标系中,函数
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/c1cae40d60c44a9b83b9c71c3cbd0807.png?resizew=60)
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/cd14c03d08764fb2b809f9446db47c71.png?resizew=40)
④把函数
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/084109264ed146ce9e19928fbd90d1ae.png?resizew=119)
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/2cf7949ef53d43b889bfaf18a9712a65.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/5b63fa4f9afc4e609cdfda4e7b65e6c4.png?resizew=77)
⑤函数
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/36e59a1c872947f2a430791553ba75d1.png?resizew=101)
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/a444ef60b8c24835aae00041385af250.png?resizew=36)
其中真命题的序号是
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11-12高三·吉林·阶段练习
6 . 已知
,
,
的最小值为
,则正数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec89c3bc454d209007c2b29baeeb3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8582aeb1f6f7904480425d5543648648.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3d320a78cc762dfd1cb0a6f3b9c5c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
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