Determine the horizontal asymptote of the function. If none exists, state that fact. f(x)= 4x-5x 8x2 +X Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. OA. The function has one horizontal asymptote, (Type an equation.) OB. The function has two horizontal asymptotes. The top asymptote is (Type equations.) OC. The function has no horizontal asymptotes. and the bottom asymptote is