已知y1=-4x-2,y2=3x-1 (1)当x 时y1y2
问题描述:
已知y1=-4x-2,y2=3x-1 (1)当x 时y1y2
答
(1)x>-1/7
(2) x=-1/7
(3) x
已知y1=-4x-2,y2=3x-1 (1)当x 时y1y2
(1)x>-1/7
(2) x=-1/7
(3) x