1 . 函数
的定义域为___________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c690eff3da5321fa57e4e314b2df6a90.png)
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2 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab222539824fab1dd4353bd53e910a17.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df280046be1a000d06a7705a703c2e6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab222539824fab1dd4353bd53e910a17.png)
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3 . 若
图象是折线段
(如图),其中
坐标分别为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408c3b8df6a492a087def2c879b4e13f.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45595a71c9719bbed0d59349471c356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408c3b8df6a492a087def2c879b4e13f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/842849a7-8ef7-4965-8220-5162d9a20fe4.png?resizew=221)
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4 . 偶函数
的定义域和值域相同,具有上述性质的函数
可以是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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11-12高一上·浙江·期中
5 .
在
上是偶函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55b3688f66d332dcbf5df1a5bc4b2f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/339c09da9a4500226cb5803dabc67a97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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20-21高一·全国·课后作业
6 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc879279a6bc40a7aa299fb316c95547.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/812d4daa16cf4bc5889a5af967c27760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c206a9e53e00b5bc4a026e856289bbc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc879279a6bc40a7aa299fb316c95547.png)
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7 . 若函数
的图象过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ee91c92ee2d66d4a5447e0d670da9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86022205a7487439dd8d0897cd3bf19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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20-21高一·全国·课后作业
8 . 用清水漂洗衣服,若每次能洗去污垢的
,要使存留污垢不超过原来的1%,则至少要漂洗________ 次.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
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2020高三·全国·专题练习
9 . 已知集合
,
,则集合
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90f0e502a03ff4b6a9f6fd29b8034992.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3df9e893ab414481391197b8a32d8bea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
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