Respostas

2014-04-25T02:20:36-03:00
F(x)= 2x² - 4x + 1
f(4) = 2.4² - 4.4 + 1
f(4) = 2.16 - 4.4 +1
f(4) = 32 - 16 + 1
f(4) = 17