Tentukan nilai (gof)(×)dan (fog)(×) dari fungsi berikut a. f(×)=2×kuadrat+3 b.g(×)=×-2

f (x) = 2x^2 + 3 dan g(x) = x -2
gof(x) = g { f (x) }
= g (2x^2 + 3)
= (2x^2 + 3) - 2
= 2x^2 + 1
b) f o g (x) = f { g(x) }
= f ( x -2)
= 2(x -2)^2 + 3
= 2(x^2 -4x + 4 ) + 3
= 2x^2 - 8x + 11