関数: グラフが関数かどうかを判断します。
GED Math: Does the Graph Represent a Function Example 1
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機能の識別
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グラフ関数と関数表入門
GED Math: Does the Graph Represent a Function Example 4
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Drawing Graphs of Functions (GMAT/GRE/CAT/Bank PO/SSC CGL) | Don't Memorise
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一般的な方程式のグラフ
GED Math: Does the Graph Represent a Function Example 3
GED Math: Does the Graph Represent a Function Example 2
How to Tell if the Graph gives us a Function of x #shorts