Mathematics
Senior High
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(2)なぜ4≦k≦5ではなく、4<k<5になるのですか?
() 関数y=|x2-4|-2x のグラフをかけ。
(2) 方程式|x-4|=2x+k が異なる4つの実数解をもつような定数kの範囲を求めよ。
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はい!