R$-4\mathrm{.}9$ Give a big$-$Oh characterization, in terms of $n,$ of the running time of the example$1$ method shown in Code Fragment $4\mathrm{.}12.$

R$-4\mathrm{.}10$ Give a big$-$Oh characterization, in terms of $n,$ of the running time of the example $2$ method shown in Code Fragment $4\mathrm{.}12.$

R$-4\mathrm{.}11$ Give a big$-$Oh characterization, in terms of $n,$ of the running time of the example$3$ method shown in Code Fragment $4\mathrm{.}12.$

R$-4\mathrm{.}12$ Give a big$-$Oh characterization, in terms of $n,$ of the running time of the example$4$ method shown in Code Fragment $4\mathrm{.}12.$

R$-4\mathrm{.}13$ Give a big$-$Oh characterization, in terms of $n,$ of the running time of the example$5$ method shown in Code Fragment $4\mathrm{.}12.$