Jika f(x)=x+5 dan g(x)=x²-2,maka (g°f)(x)=

Materi : FuNgSI KoMpOsISi

f(x) = x + 5
g(x) = x^2 – 2

g o f (x) = (x + 5)^2 – 2
g o f (x) = x^2 + 10x + 25 – 2
g o f (x) = x^2 + 10x + 23

#DONE

G o f (x) = g(f(x))
=g(x+5)
=(x+5)²-2
=(x²+10x+25)-2
= x²+10x+25-2
=x²+10x+23