fungsi definisi f[X]= 3X+1,batasannya -2,-1,0,1,2,beserta langkahnya

F (-2 ) = 3.-2 + 1 = -6 + 1 = ( -2,-5 )
F (-1 ) = 3.-1 + 1 = -3 + 1 = ( -1, -2 )
F ( 0 ) = 3.0 + 1 = 0 + 1 = ( 0 ,1 )
F ( 1 ) = 3.1 + 1 = 3 + 1 = ( 1, 4 )
F ( 2 ) = 3.2 + 1 = 6 + 1 = ( 2,7 )

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