Answer:

Step-by-step explanation:
The perimeter of a polygon is simply sum of the lengths of all sides of the polygon.
Therefore, we can find this polygon's perimeter by adding up the length of each of its sides:

Since there is a lot to keep track of, I'd recommend picking any side and moving clockwise/counter-clockwise until you get all sides.
The inverse of this function is f^-1(x)=x/9
<span>The equation is not quadratic in for because it cannot be written as a second degree polynomial</span>