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2014-03-19T21:55:41-03:00
F(3)=3²-3*3+2
f(3)= 9-9+2
f(3)= 2

f(-1)=(-1)²-3*(-1)+2
f(-1)= 1+3+2
f(-1)= 6

f(3)+f(-1)= 2+6= 8
2 5 2
2014-03-19T22:06:11-03:00
F(3+(-1)=x2-3x+2 f(2)=2.2-3x2+2 =4-6+2 =4-8 =-4