Respostas

2014-01-05T20:34:35-02:00
f(x) = 2x-1, calcule f(-1/3) 
f(-1/3)=2.(-1/3)-1
f(-1/3)=2.-0,33-1
f(-1/3)=-0,66-1
f(-1/3)=-1,66
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