Respostas

2013-08-08T12:08:03-03:00
F(X)=x2 +4x-3

y = 2x + 4x - 3
y = 6x - 3
y = 6.0 - 3
y = -3
e
y = 6x - 3
0 = 6x - 3
x = 3 / 6
x = 0,5


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