SOLUTION:
The points (or stars) from the graph include: (9,5), (10,5.5), (12.5,3.5) and (14.5,1)
So using desmos calculator,
The resulting graph
Showing the plotting:
Final answer:
The resulting equation is:
[tex]y=-0.175x^2\text{ + 3.33x-10.65}[/tex]
