HELPP PLEASE!!!!
The following diagram shows the graph of a function

Answer:
The equation of the line is [tex]f\left(x\right)=-\frac{1}{9}x^{2}+1.8[/tex]
Step-by-step explanation:
I graphed the equation on the graph below and found the equation of the line.
If this answer is correct, please make me Brainliest!