Jawabanmu

2014-01-25T10:17:06+07:00
f(x)=2x - 3x +1
f(2)= 2(2) - 3(2) + 1
     = 4 - 6 + 1
     = -1
jawabanya -1
1 5 1
2014-01-25T10:56:02+07:00
F(-2) = 2(-2) - 3(-2) + 1 = -4 + 6 + 1 = 3
1 5 1