F(x) is most likely the f(f(x)x) where f(x) is g(x))f)) and composition can be 69 + 46 which is the total of 137
Y represent the total number of newspapers sold by Colby.
What are the values in (y 5) is it (y+5) or (y-5) i cannot answer until given the full problem.
i think it's t=0.2 Hope it helps:)
