1 . “对数函数是非奇非偶函数,
是对数函数,因此
是非奇非偶函数”,以上推理
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7c940ddf1c3651ab8359501c6de5a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7c940ddf1c3651ab8359501c6de5a5e.png)
A.结论正确 | B.大前提错误 | C.小前提错误 | D.推理形式错误 |
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2 . 已知函数
的零点为3,则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf6669bad2040196e84c5897e420fe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb85cd883938b1c7839c0175c57491ed.png)
A.1 | B.2 | C.![]() | D.2017 |
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名校
解题方法
3 . 已知对数函数
的图象经过点
.
(1)求
的解析式;
(2)若
,求x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a068fc8f7df9c405408e30ba2289843.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ec7ef12927ef4e2d8f6721a0ae6b15.png)
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4 . 已知函数
的图像过点
和
,求函数
的解析式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d2a119403159f251ca90d8b6f23ecbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ea1f5bdd213c7c3a571b4c38850bf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79485e42b7546ccfa3cd6d08491460f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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解题方法
5 . 已知函数
(
,且
),且
.
(1)求
的值,并写出函数
的定义域;
(2)设函数
,试判断
的奇偶性,并说明理由;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74088e31acd9bc94dc8bc34e616bef64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f49c4a4dbb963482889afe3ea64ee24.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8575d1a005de08f27b7e096ac2891251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
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解题方法
6 . 已知对数函数
的图象过点M(9,2),则
=______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52ed052ca7a74b575d8a87f078a8eb7f.png)
您最近一年使用:0次
2019-11-15更新
|
409次组卷
|
2卷引用:江西省上饶中学2019-2020学年高一上学期期中数学(奥赛班)试题
名校
7 . 函数
(
且
)的图象经过的定点是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c53a66ac0b9b408733ba6f74a8e6eff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5017b46ee71ee28ab520741d6169ed.png)
______ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b469af7e65164f77399f1ceb57ad47.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f3bf108455513aeff1c0c6ab5947ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5017b46ee71ee28ab520741d6169ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b469af7e65164f77399f1ceb57ad47.png)
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21-22高一·全国·课前预习
9 . 已知函数y=loga(x+b)(a>0且a≠1)的图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/23/dc58e339-39f0-472d-8607-224b25db6525.png?resizew=159)
(1)求实数a与b的值;
(2)函数y=loga(x+b)与y=logax的图象有何关系?
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/23/dc58e339-39f0-472d-8607-224b25db6525.png?resizew=159)
(1)求实数a与b的值;
(2)函数y=loga(x+b)与y=logax的图象有何关系?
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10 . 函数y=f(x)满足
;函数g(x)满足
,且
,
,则函数F(x)的表达式可以是_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dbb6ea499bc9106fc8376a2c197fc49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4221ab504b7bd53f78b6cde4e5ca2d7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbbe6e4b9473e56db9cc9e1b6714360c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71607511fdd4faa9e832345ceb2a817d.png)
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