Dik: f (x) = x-1, g(x)= x² + 2x -3 dit: (gOf) (x)

Itu jawabannya.. semoga membantu…

F(x) = x-1
g(x) = x²+2x-3

(g o f)(x) = g(x) o f(x)
= x²+2x-3 o x-1
= (x-1)²+2(x-1)-3
= x²-2x+1+2x-2-3
= x²-2x+2x+1-2-3
= x²-4