Carefully rework the following examples from your book. This also includes graphing in $2$D and $3$D$.$

Sec. $9\mathrm{.}5,$ Examples $3$ and $6$

Sec. $9\mathrm{.}6,$ Examples $4$ and $7$

Sec. $9\mathrm{.}7,$ Examples $2$ and $3$

You will receive a grade of Pass or Fail for this assignment.

Handwritten Notes $9\mathrm{.}5-9\mathrm{.}7$