F(x)=x-2, g(x)=3x+1 dan h(x)=x²+4x-3, maka nilai (g•h•f•)(3)=

Penjelasan dengan langkah-langkah:

(g o h o f)(x)

= 3[(x-2)²+4(x-2) – 3] + 1

(g o h o f)(3)

= 3[(3-2)²+4(3-2)-3]+1

=3(1+4-3)+1

=3(2)+1

=7