如图,已知等边三角形ABC的边长为2,E、F、G分别是边AB、BC、CA的点,且AE=BF=CG,设△EFG的面积为,AE的长为,则与的函数图象大致是( )
(绵阳)计算:.
(眉山)(本小题满分6分)计算:.
(泸州)计算:.
(宜宾)计算:.
(遂宁)计算:.