解题方法
1 . 已知
,
,
,则
,
,
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b60590e6271ba8f0127bd5e752579afa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147d9ad8ff3f13397c86fc00290d358c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aab0b1c5315dac2736adea359857e996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
2 . 已知函数
,记
,若
在区间
上是增函数,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74088e31acd9bc94dc8bc34e616bef64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5a2e6f2ab7a1acbbfe0d049f7b3ce04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b448fe164c2c2931805e3b3847dcdd75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
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3 . 已知
,其中
为奇函数,
为偶函数.
(1)求
与
的解析式;
(2)解关于
不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa8abfd8894388831086457e58c3954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e681284b42fa7ea01193024d59068d.png)
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4 . 已知函数
,
,对于任意
,存在
有
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9919a46066c75cb55e18c30f7a2d9f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259e10b808fa4b7aaf7d26fc72a017b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b424bbc2f301c0ce92ed914fd49fa98c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20c00410ae5e5a932ff408eb0777afa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6154e00013d9dee84c0e941f676ea9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5 . 已知函数
的值域为
,那么实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a89aa399af448afb07107b69917420.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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6 . 函数
的单调减区间为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24b90a21c112c8ed307201b5b72a3c35.png)
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2022-02-14更新
|
684次组卷
|
2卷引用:江西省丰城中学2023届高三上学期第二次月考数学(文)试题
解题方法
7 . 已知函数
.
(1)设
,求函数
的值域;
(2)若不等式
在区间
有解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d0466187aed74d7976498b75037ef09.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/896e88b32a5ffde3ad5f455c6db8cbcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc0bfd2988f89a962dc9ccc751511bec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8ed0edaebe95e5347b44806e166d0e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2022-02-10更新
|
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3卷引用:江西省赣州市2021-2022学高一上学期期末数学试题
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解题方法
8 . 已知函数
且
.
(1)判断函数的奇偶性,并证明;
(2)当
时,函数
的值城是[-1,1].求实数a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/666cf789471f7f2f01ac2daeaa1fc71a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
(1)判断函数的奇偶性,并证明;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f47c01925c796e12f2729fdfd7ba0393.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2022-02-04更新
|
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2卷引用:江西省宜丰中学2022-2023学年高一上学期12月月考数学试题
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解题方法
9 . 若
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f00f997ae12c30f551adb834e1d7ef8.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2022-02-04更新
|
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3卷引用:江西省丰城市第九中学(日新班)2021-2022学年高二下学期期末检测数学试题
名校
10 . 已知
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107f5f97110237a6cb4d76ac18370466.png)
_______ ;若
,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d2ff67c8e817ff5de5e56bd1208df6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a04042cd29185f7f48399495d7df371e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107f5f97110237a6cb4d76ac18370466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eabddb23d5ba20feb41b8400035cf690.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2022-02-03更新
|
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4卷引用:江西省上高二中2021-2022学年高一下学期2月月考数学试题