Respostas

2013-11-11T15:13:14-02:00
F(x)=ax+b
F(3)=3a+b=5
F(-2)=-2a+b=-5
{3a+b=5
{2a-b=5
2.2-b=5
F(x)=2x-1
4-b=5
F(1/2)=2.1/2-1
3a+2a=5a -b=1
F(1/2)=1-1=0
5+5=10 b=-1
5a=10
a=2