Jawabanmu

2014-06-09T03:30:20+07:00
F(x) = ax + 8
f(2) = -2a + 8
2 - 8 = -2a
-6 = -2a
a = -6/-2
a= 3
2014-06-09T05:57:46+07:00
F(x) = ax +8
f(2) = a.2+8= -2
2a = -10
a   = -5