After the power was ____ ____, she had to deliver the baby in the darkness.
“自尊、自强、自立”,这是我们很多青少年的座右铭。其中的自立就是( )
已知y=(k﹣1)xIkI+(k2﹣4)是一次函数.
(1)求k的值;
(2)求x=3时,y的值;
(3)当y=0时,x的值.