若直线x+(1+m)y+m﹣2=0与直线2mx+4y+16=0平行,则m的值等于( )
A:1
B:-2
C:1或﹣2
D:﹣1或﹣2
已知函数y=ax+b,y随x增大而减少,且交x轴于A(3,0),求不等式(a﹣b)x﹣2b<0的解集.
-
— That's true. But he became an excellent writer at last.