tolong bantu ya kak....

f(x) = 2x - 3, g(x) = x/(x + 2)
(f o g)(x) = f(g(x))
= 2 g(x) - 3
= 2 (x)/(x + 2) - 3
= (2x - 3(x + 2))/(x + 2)
= (2x - 3x - 6)/(x + 2)
= (-x - 6)/(x + 2)