diketahui fungsi f (x) = 2x-3 dan g(x) = x^2+1. fungsi komposisi (f

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

(fog) (x) = f [g (x)]
= f [ x2 + 1] - 3
= 2 [ x2 + 1] - 3
= 2x2 + 2 - 3
= 2x2 - 1

(fog) (x) = 2x2 - 1 jawaban : B.