Consider the polynomial function f(n)=n9+5n82n23\displaystyle {f{{\left({n}\right)}}}={n}^{{9}}+{5}{n}^{{8}}-{2}{n}^{{2}}-{3}.

As   n\displaystyle {n}\to-\infty,   f(n)\displaystyle {f{{\left({n}\right)}}}\to

As   n\displaystyle {n}\to\infty,   f(n)\displaystyle {f{{\left({n}\right)}}}\to