ÌâÄ¿ÄÚÈÝ
ÒÑÖª£ºÒ»´Îº¯Êýy=3x£2µÄͼÏóÓëij·´±ÈÀýº¯ÊýµÄͼÏóµÄÒ»¸ö¹«¹²µãµÄºá×ø±êΪ1£®
£¨1£©(3·Ö)Çó¸Ã·´±ÈÀýº¯ÊýµÄ½âÎöʽ£»
£¨2£©(3·Ö)½«Ò»´Îº¯Êýy=3x£2µÄͼÏóÏòÉÏÆ½ÒÆ4¸öµ¥Î»£¬ÇóÆ½ÒÆºóµÄͼÏóÓë·´±ÈÀýº¯ÊýͼÏóµÄ½»µã×ø±ê£»
£¨3£©(2·Ö)ÇëÖ±½Óд³öÒ»¸öͬʱÂú×ãÈçÏÂÌõ¼þµÄº¯Êý½âÎöʽ£º
¢Ùº¯ÊýµÄͼÏóÄÜÓÉÒ»´Îº¯Êýy=3x£2µÄͼÏóÈÆµã£¨0£¬£2£©Ðýתһ¶¨½Ç¶ÈµÃµ½£»
¢Úº¯ÊýµÄͼÏóÓë·´±ÈÀýº¯ÊýµÄͼÏóûÓй«¹²µã£®
£¨1£©
£¨2£©½»µã×ø±êΪ(
,3)ºÍ(£1, £1) £¨3£©y=£2x£2£¨´ð°¸²»Î¨Ò»£©
½âÎö
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿