Question 269880
First, we find g(1/3) as
g(1/3) = (1/3)^2 - 2(1/3) - 6 = 1/9 - 2/3 - 6 = 5 5/9 = 50/9
second
(f of g)(1/3) = 3(50/9) + 1 = 50/3 + 1 = 17 2/3