1) Jika f(x) = -x+2 g(x) = 3x+4 Tentukan: (fog) (-2) = ? 2) Jika f(x)= x+1 g(x)= 2x-1 Tentukan: (fog) (-1) = ?

1.
(f o g)(-2) = f(g(-2))

-(3(-2 + 4)) + 2
-(-6 + 12) + 2
-6 + 2
-4

2.
(f o g)(-1) = f(g(-1))

(2(-1) - 1) + 1
(-2 - 1) + 1
-3 + 1
-2