名校
解题方法
1 . 若函数
满足:对任意正数
,
,都有
,
,且
,则称函数
为“
函数”.
(1)判断函数
与
是否是“
函数”;
(2)若函数
为“
函数”,求实数
的取值范围;
(3)若函数
为“
函数”,且
,求证:对任意
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4028ed0e84791a6da036d71af685b63d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5afc7ce5b1f3ac621c3bc08b4e243278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17dfefdc8541c51ae463de8b36086374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a04e15196ce905f578e53b845242ee30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a611a34cd92e1488016fc0e62052d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c2735e6baec99a14dd9521893f1339.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249a976e88133f3b3733f09137cf5c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d308166f6bc3d51033cc7a72c71f28a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219598f1289ddb370d632ea141731d52.png)
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2021-11-19更新
|
619次组卷
|
3卷引用:第2课时 课后 指数函数的图象和性质(完成)
20-21高一·江苏·课后作业
名校
2 . 求下列各式的值:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be18d585ee2da88fec856e8f8c22d845.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4efb2f6a264a012f1aee60803facb794.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81319038a0c5499954bffaa53c1f006c.png)
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be18d585ee2da88fec856e8f8c22d845.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4efb2f6a264a012f1aee60803facb794.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81319038a0c5499954bffaa53c1f006c.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd4fb87b402737abf12ae606d0454c7b.png)
您最近一年使用:0次
2021-11-12更新
|
471次组卷
|
4卷引用:4.2 对数
(已下线)4.2 对数新疆喀什第二中学2021-2022学年高一上学期期中考试数学试题苏教版(2019)必修第一册课本习题4.2 对数(已下线)【第一练】4.3.1对数的概念+4.3.2对数的运算【第一练】上好三课,做好三套题,高中数学素养晋级之路
20-21高一·江苏·课后作业
解题方法
3 . 求函数y=
的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc06c62f685192230222e195e604803b.png)
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20-21高一·江苏·课后作业
解题方法
4 . 先画出下列函数的图象,再求出每个函数的值域:
(1)
,
;
(2)
,
;
(3)
,
;
(4)
,
为正实数.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1804c8cc2797e07d5a08f480ea0b69e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8f34a7653d92ad0162066b2170aec7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318a16f1950d06e5500c76d8f81a507f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f58bbbdde60cf4f80c3ea6a1740edba5.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ede389b43c78417912542746d91d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec04e67e37fbf0c78aeb7278a9ae1cb8.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6201963fcdd54887f2af50518bd908a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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20-21高一·江苏·课后作业
5 . 分别根据下列条件确定正数a与1的大小关系:
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c414300da34f9f2002fe7da528a7ae82.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f576a638f92ca4d3b72985dcfc9790ae.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdfd0fc55331e09a30c210e3463121a8.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd25248a204ce256bc60fb3d30118439.png)
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20-21高一·江苏·课后作业
解题方法
6 . 求满足下列条件的实数x的取值范围:
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6723dba9cb9714466dfdfaf2d5090aec.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/183c3a4db3755f3d9ea19acc408985b4.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15ac7c1583055847ccda17ea020033f.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/894a5ef9a0632d70267b2cd0898d50d8.png)
您最近一年使用:0次
20-21高一·江苏·课后作业
7 . 已知2016年我国国内生产总值为a,设以后每年的年平均增长率为b,试写出x年后国内生产总值y和x之间的函数关系式.
您最近一年使用:0次
20-21高一·江苏·课后作业
8 . 解下列不等式:
(1) 9x>3x-2;
(2) 3×4x-2×6x>0.
(1) 9x>3x-2;
(2) 3×4x-2×6x>0.
您最近一年使用:0次
20-21高一·江苏·课后作业
解题方法
9 . 设a为实数,
,
.已知下列不等式成立,求a的取值范围:
(1)
;
(2)
;
(3)
;
(4)
(
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d572c662857a033fc169db5346ed282.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4e80528a083730c0dcda681faf17537.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e851c6aa61e4be8a16cba1a0f6f366e.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c85a56ecb88f5075cd627345f9a2743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7091d529281abff275ef19b9197445a7.png)
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