Jika f(x)=2x+1 dan g(x)=x²-5 tentukan (g(f(x)
G(x) = x² – 5 , dan f(x) = 2x +1
g(f(x)) = (f(x))² – 5
= (2x+1)² – 5
= (4x² + 4x +1) -5
= 4x² + 4x -4
Jika f(x)=2x+1 dan g(x)=x²-5 tentukan (g(f(x)
G(x) = x² – 5 , dan f(x) = 2x +1
g(f(x)) = (f(x))² – 5
= (2x+1)² – 5
= (4x² + 4x +1) -5
= 4x² + 4x -4