Jawabanmu

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2014-05-07T13:52:30+07:00
F(-2)=3(-2)-2
     =-6-2
     =-8
1 5 1
2014-05-07T13:55:09+07:00
F(-2)= 3(-2)-2= -8
f(-18)= 3(-18)-2= -56
f(-6)= 3(-6)-2= -20