1 . 已知定义在R上的函数
是偶函数,且图像关于点
对称.若当
时,
,则函数
在区间
上的零点个数为( )
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d31d07e0e178dd81de9ab409d9475e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa0f3ad866dc47079c38669ffb9e6022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a88fd10fb35bbaf5f47d459fc8234bd.png)
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A.1009 | B.2019 | C.2020 | D.4039 |
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2020-05-03更新
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2卷引用:2020届湖北省荆门市高三下学期4月模拟考试理科数学试题