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二次函数的奇偶性和单调性

2025-03-16 05:21:40

推荐回答（2个）

回答1：

奇偶性：1次项系数为0时为偶函数，不为0时为非奇非偶函数。
单调性：若a＞0，函数在（-∞，-b/2a】上为减函数，在【-b/2a，+∞）上为增函数。
若a＜0，函数在（-∞，-b/2a】上为增函数，在【-b/2a，+∞）上为减函数。
望采纳

回答2：

题目呢？？？？？

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