no 11 kak bantuan nya

(f•g)(x) = {3(x+1)+2}/{2(x+1)+1}
= (3x+5)/(2x+3)

Inversnya
y = (3x+5)/(2x+3)
y(2x+3) = (3x+5)
2xy + 3y = 3x + 5
2xy - 3x = -3y + 5
x (2y-3) = -(3y-5)
x = -(3y-5)/(2y-3)

(f•g)'(x) = -(3x-5)/(2x-3) E