関数: グラフが関数かどうかを判断します。

Master how to determine if a graph is a function or not

Using the vertical line test to determine if a graph is a function or not

機能の識別

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例1: 関係のグラフが1対1関数であるかどうかを判断する

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Determining if a graph is a one-to-one function

グラフから関数を評価する

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