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2014-05-05T16:10:05-03:00
-3.(-2)²+3.(-2)+1
-3.4-6+1
-12-6+1
-18+1
f(-2)=17

-3.(-1)²+3.(-1)+1
-3-3+1
f(-1)=5

-3.0²+3.0+1
f(0)=1

-3.1²+3.1+1
-3+3+1
f(1)=1

-3.2²+3.2+1
-3.4+6+1
-12+7
f(2)= -5
2 5 2