1. F (x) = 3x-7 F (-2)=..........? 2.gradien garis yg melalui titik A (8,6) dan titik B (12,18) adalah........

1. F(-2) = 3(-2)-7 = -6-7 = -13

1. F(x) = 3x - 7
F(-2) = 3(-2) - 7 
F(-2) = (-6) - 7
F(-2) = (-13)

2. m = y2 - y1/x2 - x1
m = 18 - 6/12 - 8
m = 12/4
m = 3

semoga berguna.