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a=-15:-5
a=3
-2.3+b=-10
b=-10+6
b=-4maka rumusnya
3x-4
nilai g(2)
adalah 3.2-4
jawabannya 2
g(-2)= a×(-2) + b = -10
= -2a + b = -10
g (3) = 3a +b = 5
dengan teknik substitusi maka
-2 a + b = -10
3 a + b = 5
------------ -
-5a =-15
a = 3
brarti b = -4
nilai g (2) = 3× 2 + (-4)
=2