试题分析:(解法一)当
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时,则
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,由偶函数
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满足
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,可得
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,则
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,
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,令
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,可解得
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或
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.
(解法二)由偶函数
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满足
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可得
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,则
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,要使
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,只需
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,
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,
解得
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或
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.
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相关习题
科目:高中数学
来源:不详
题型:填空题
下面关于
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的判断:
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与
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的图象关于直线
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对称;
若
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为偶函数,且
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,则
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的图象关于直线
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对称;
设函数
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,且
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,
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,
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,若
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,则
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函数
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,
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,
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,
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,存在
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,
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,使得
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.
其中正确的判断是
____ _____(把你认为正确的判断都填上)
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科目:高中数学
来源:不详
题型:单选题
已定义在
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上的偶函数
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满足
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时,
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成立,若
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,
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,
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,则
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的大小关系是( )
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科目:高中数学
来源:不详
题型:填空题
设
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是定义在R上以1为周期的函数,若
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在区间
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上的值域为
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,则
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在区间
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上的值域为_____.
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来源:不详
题型:填空题
设函数
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是定义在R上的奇函数,且
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,则
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(用“>”或“<”填空).
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科目:高中数学
来源:不详
题型:填空题
已知
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是奇函数,当
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时,
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,则
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_____________
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