Your age shouldn't make any difference to whether you get the job or not.
A:keep in touch with
B:have any effect on
C:take responsibility for
已知a2﹣3a+1=0,求a2+1a2的值.
如图1,在直角梯形ABCD中,动点P从点B出发,沿BC,CD运动至点D停止.设点P运动的路程为x,△ABP的面积为y,如果y关于x的函数图象如图2所示,则△BCD的面积是( )