若函数
为偶函数,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cbb677d1283b9c6339df5e507b2d904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
更新时间:2021-12-10 10:39:11
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【推荐1】定义在
上的函数
满足
,
,且
时,
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd1db6c94b94afc372212a81cc1f4dd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfafb232fd46f4640e6d4c4055eba12b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28756a5331680dd6bd6ab0927ccb3bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/146c341300cf39ffad034049cca5fa8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/430941edae83b48b9decb4cbda4e8c4e.png)
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解题方法
【推荐1】设函数
的定义域为
,当
时,
,若
,
为偶函数,
为奇函数,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459d1d8477fd46ece5a65d40e32b4bbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67cb699de08e7926ad18decfa1f5543d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e81e15b871dd32b2438ef8025bcc42d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc0014c54d3d529c3d619a34ba735cd.png)
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名校
解题方法
【推荐2】给出以下四个结论:
①若函数
的定义域为
,则函数
的定义域是
;
②当
时,幂函数
的图象是一条直线;
③“
”是“函数
在定义域上是奇函数”的充要条件;
④若函数
在区间
内单调递减,则
的取值范围是
.
其中所有正确结论的序号是___________ .
①若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a194d91b2c7e1d0b03df17c87100a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24810194f4fbc222e6612f1a9aad0c2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e633d6629e01cb284375c6879f94daf9.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51cc689a7ccf4acfd2d5ecba23e9768.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4250ec1d917f79063aec24a24cad892b.png)
③“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c22ee3a7350709c3c15fb949733ee5.png)
④若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a81ccaf82d5d03b759436d7250d73d22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94fccd8574d57bd59cfcd78f67d088cb.png)
其中所有正确结论的序号是
您最近一年使用:0次
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【推荐3】已知定义域为
的函数
是奇函数,则不等式
解集为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2623c52e5c3b279acd35602256ed979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8126bf20fef500225a5e163bac8c20b4.png)
您最近一年使用:0次