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首先可以明確的時,如果是函數的話,只可能是關於Y軸對稱或者某條不為Y=0的直線對稱,因為函數是要求1對1或者多對一,不可能出現一對多,所以不能關於X軸對稱.現在我們講講什麼樣的函數關於Y軸對稱,即如果函數定義域關於…
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