Determine the horizontal asymptote of the function. If none exists, state that fact. f(x) 5x4 + 2x2 -1 3x5-x+4 Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. O A. The function has one horizontal asymptote, (Type an equation.) and the bottom asymptote is O B. The function has two horizontal asymptotes. The top asymptote is (Type equations.) O C. The function has no horizontal asymptotes.​