4,622-634,2,636,y=x제곱-6x+10,y=-2x제곱+2x+4,y=3x제곱-2x,y=2x제곱+4x,641~642,우함수,둘다아니다,기함수,우함수,647,3,2,650,4,4,3개,2,5,3,5,3,-24,5,
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