We are also given three points on this function: $(1990, 11)$, $(2010, 10)$, and $(2030, 6)$. We can use these points to create a system of equations to solve for $a$, $b$, and $c$.
The system of equations is as follows:
\begin{align*}
1990^2a + 1990b + c &= 11
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