【简答题】如图函数 的图象与函数 (x>0)的图象交于A、B两点,与y轴交于C点,已知A点的坐标为(2,1),C点坐标为(0,3)。 (1)求函数y 1 的表达式和B点坐标; (2)观察图象,比较当x>0时,y 2 和y 2 的大小。
【简答题】What is inventory? Do you think it is important to a company? and why?
【单选题】Small businesses are finding it hard to survive in the present economic ________.
【简答题】Baker Company manufactures backpacks. A heavy-duty strap is one part the company orders from an outside supplier. Information pertaining to the strap is as follows: Economic order quantity 4,200unti...
【单选题】“What’s her name?” “Sorry, I _____.”