Question

（6分）受國際原油價格持續上漲影響，某市對出租車的收費標準進行調整．

 

（1）調整前出租車的起步價為  ▲  元，超過3km收費  ▲  元/km；

（2）求調整后的車費y（元）與行駛路程x（km）（x>3）之間的函數關系式，并在圖中畫出其函數圖象．

 

Answer 1

【答案】

解：（1）9；2.5；····················································································· 2分

（2）y=10+2.5（x－3）=2.5x+2.5································································· 5分

·········································································································· 6分

【解析】略