已知偶函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b48eba4296e2190d2f8becb76da5a909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72adc70966fab3cbb057b8c9d4d05de3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2020-02-07 03:27:29
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【知识点】 求分段函数解析式或求函数的值解读
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单选题
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适中
(0.65)
【推荐1】设函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91afd2a786911f31c2c8401ddfd17cf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bacafefbdc5ab3a36a70e4bbf06c659.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91afd2a786911f31c2c8401ddfd17cf9.png)
A.3 | B.6 | C.9 | D.12 |
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