1 .0 ≤ r ≤ 1 and -π/2 ≤ 0 ≤ 3π/4
2 .1 ≤ ≤ 2 and π/2 ≤ 0 ≤ 3π/2
3. 0 < r ≤ 1 and 0 ≤ 0 ≤ 2TT
4 .0 ≤r 2 and 3π/2 ≤ 0 ≤ 2π
5. 0 < r ≤ 1 and 0 ≤ 0 ≤ 3π/4
6. 1 ≤r ≤ 2 and 0 ≤ 0 < 2T
7. 1 ≤ r ≤ 2 and -π/2 ≤ 0 ≤ π/2
8. 0 ≤ r ≤ 1 and 3π/4 ≤ 0 ≤ 3π/2
match these inequalities to graphs of the polar region it describes.​