Question. 2 Homework Question 8, 6.2.33 HW Score: 70\%, Part 1 of 2 Points: 0 of 3
The following table shows the average new car transaction price in the USA as a percentage of disposable income. \begin{tabular}{|c|c|c|} \hline & Year & \% of Disposable Income \\ \hline 1960 & 0 & 43 \\ 1975 & 15 & 77 \\ 1983 & 23 & 85 \\ \hline \end{tabular} (A) Find a quadratic function $f(x)=a x^{2}+b x+c$ that fits the data, where $x$ represents the number of years after 1960. $$f(x)=\square x^{2}+3.1 x+43$$ (Round to three decimal places as needed.)