Jawabanmu

2014-08-02T08:29:18+07:00
(-1)⁴ - (-1)³ - 2(-1)² - 3(-1) + 4
= 1 + 1 - 2 + 
3 + 4
= 7
2014-08-02T11:26:35+07:00
F(x) =x⁴-x³-2x²-3x+4 ,untuk x=-1
f(-1)=(-1)⁴-(-1)³-2(-1)²-3(-1)+4
=1-(-1)-2-(-3)+4
=1+1-2+3+4
=7