[질문] 개념원리9가개정판78쪽부터82쪽까지답좀보내주세요

4,4,3,1,3,8,3,1,4,2,2,4,플러스마이너스2,3,3(x-y)(2x+y),0,2,7,27,24,5,1,-1,110,-200,3,1,2,1,5x+15,(x+4)(x-5),3,5또는-3,1155,-2x+1,최댓값7,최솟값-7,1,