Respostas

2014-08-28T08:43:27-03:00
Na função F(x) = -x + 1
     F ( -1) = - ( -1) + 1
     f (-1) = +1 +1
f ( -1) = 2
1 4 1
2014-08-28T09:17:44-03:00
F(-1)=-(-1)+1
f(-1)=1+1
f(-1)=2