1 . 将下列对数式改写为指数式:
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d231817e10ead78d18a88dec02fa64f4.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63eef60ec42026e92fcdc5ccf7d5c816.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/705549603ef61a0a7faeaeab9348e7fa.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50bf1b6d58e4933aea25e67085d21a0.png)
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2023-10-08更新
|
312次组卷
|
3卷引用:§1对数的概念
2 . 比较下列各题中两个数的大小:
(1)
,
;
(2)
,
;
(3)
,
(
,且
).
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930f7706c8f0a021d2e81f1cba24cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1729e8a91524e26d22c6427cbe16a15.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d775e7b8db68662937e88754421bbf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caba02e1b957f375a1b31ed22d9f4e65.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52521aa79858ebf9ddcf7edcddd1ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c5124ad9fc9b21eb43d0ba1f2731db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
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2023-10-08更新
|
420次组卷
|
4卷引用:3.3 对数函数的图象和性质
3 . 将下列指数式改写为对数式(
,且
):
(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/ba2389b3290ec1c34df67fc52a24db5a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84f6eebfc5818b66782b19677476ce10.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1746571aafbeb724193b69e47d44947.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/009ce619ce7352f937c4c2aa6f3e0c43.png)
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4 . 指出下列各组函数之间的关系:
(1)
和
;
(2)
和
;
(3)
和
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e7c84b64c2300b50148080efa165be4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607d3dd36fbac47d6d3a0b2682ed701a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b161347f6a2fcfd9bf0acf1e8a03fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc5bbf1426b9fa7c4d49659797ef34ae.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eae1b87c23b45ce5e5e74d5b1d73234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
您最近一年使用:0次
2023-10-08更新
|
78次组卷
|
3卷引用:3.1 对数函数的概念
5 . 求下列各式中x的值:
(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/263ea8601828cb0fa20e0e2ce32ce65f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20e99509e1917e5ee4a56936a51d2126.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfa48457c6d8653fabb127e671712a6e.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a0a8dc19e175a2b37cc7d9622cd1e70.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02475fa30d837efd463fd4ec6a028cb4.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4840a7cc1c989132a53ef670a080eda4.png)
您最近一年使用:0次
2023-10-08更新
|
346次组卷
|
3卷引用:2.1 对数的运算性质
6 . 求下列函数的定义域:
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16b6b04e75bc7ac23823878e93ecf661.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f4f95540619a9a10c239d03049e7499.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96c3f49cd371ea3ffd4133d3ae266242.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0e145297e2c9c17e2fe14ed4cf8faf8.png)
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7 . 画出函数
的图象.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3478ab040f9b5a7e62a6122a295f62dc.png)
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8 . 用计算器求值(结果精确到0.01):
(1)
;
(2)
;
(3)
;
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33cd6d747015953ae80174d0fba403a9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860027077aa65a031f1a6b76d4ce397a.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4570a02599c1f45c514fe4b2775fc437.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f55501168bd9f115993f1fbb012931.png)
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9 . 坐电梯时,电梯距地面的高度与时间之间存在怎样的依赖关系?
您最近一年使用:0次
2023-10-07更新
|
50次组卷
|
3卷引用:§1 生活中的变量关系
10 . 用描述法表示下列集合:
(1)
;
(2)36的所有因数组成的集合.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ac1b6cad1561bb42a88ec319dcefed0.png)
(2)36的所有因数组成的集合.
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