please please sophisticated and step by step answers it's for my pre calculus 12 class ???

6. It is not easy to determine the best mathematical model for real data as one model may work better than the other. For the following graph, let x represent the time, in weeks, and let y represent the cumulative box office revenue, in millions of dollars Movie Box Office Comparison 8) Do you think the curve for Titanic will eventually exhibit this characteristics as well? Explain and find the horizontal asymptote if possible. just find the horizental asymptote and explain