Respostas

2014-08-18T12:44:14-03:00
F(x)= -4x+3
-4=-4x+3
4x=3+4
X=7/4
2014-08-18T13:20:17-03:00
F(x)=-4x+3
-4x+3=-4
-4x=-7
x=-7/-4
x= 1,75