A.
個單位,再每點的縱坐標不變,橫坐標變?yōu)樵瓉淼?倍而得
B.
個單位,再每點的縱坐標不變,橫坐標變?yōu)樵瓉淼?IMG style="WIDTH: 9px; HEIGHT: 34px; VERTICAL-ALIGN: middle" src="http://thumb.1010pic.com/pic1/upload/papers/g02/20120831/20120831232537682567.png">倍而得
C.每點的縱坐標不變,橫坐標變?yōu)樵瓉淼?IMG style="WIDTH: 9px; HEIGHT: 34px; VERTICAL-ALIGN: middle" src="http://thumb.1010pic.com/pic1/upload/papers/g02/20120831/20120831232537731567.png">倍,再左移
個單位而得
D.左移
個單位,再每點的縱坐標不變,橫坐標變?yōu)樵瓉淼?IMG style="WIDTH: 9px; HEIGHT: 34px; VERTICAL-ALIGN: middle" src="http://thumb.1010pic.com/pic1/upload/papers/g02/20120831/20120831232537874567.png">倍而得