I have three basketballs. Besides, I have two footballs.
A:Except for
B:In addition
C:Compared with
如图,在平面直角坐标系中,过点M(﹣3,2)分别作x轴、y轴的垂线与反比例函数y= 4x 的图象交于A,B两点,则四边形MAOB的面积为____.