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

Y1=3X+2, Y2=-2X+4
Y1大于Y2即3X>-2X+4
5X>4
X>4/5