Chapter C.1, Problem 6E

To determine

To choose:

$\mathrm{X}\mathrm{m}\mathrm{i}\mathrm{n}$, $\mathrm{Y}\mathrm{m}\mathrm{i}\mathrm{n}$, $\mathrm{X}\mathrm{m}\mathrm{a}\mathrm{x}$ and $\mathrm{Y}\mathrm{m}\mathrm{a}\mathrm{x}$ so that the ordered pairs (4,70), (20,20) and (-18,90) listed will lie within a standard viewing rectangle.