已知Y1=3X+2 Y2=-2X+4当X取何值时.Y1大于Y2
问题描述:
已知Y1=3X+2 Y2=-2X+4当X取何值时.Y1大于Y2
答
Y1=3X+2, Y2=-2X+4
Y1大于Y2即3X>-2X+4
5X>4
X>4/5