Respostas

2013-08-24T14:50:07-03:00
A)f(x)= 3x +1
3x=-1
x=-1/3
y=0

b) (f)(x)=-3x + 1
3x=1
x=1/3
y=0

c) (f)(x)= 2x + 1
-2x=1
x=-1/2
y=0


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