Respostas

2013-08-14T19:13:33-03:00
F(x)=2x-3
Sim.
f(-1)=2.(-1)-3=-2-3=-5
f(0)=2.0-3=0-3=-3
f(1)=2.1-3=2-3=-1
f(2)=2.2-3=4-3=1
Aquiew está <3 fofa