Respostas

2013-12-14T22:57:15-02:00
F(12) = 5.12 - 4
f(12) = 60 - 4
f(12) = 56
2013-12-14T22:57:44-02:00
F(x)=5x-4
f(12)=5.12-4
f(12)=60-4
f(12)=56

(12,56).