Question #N715

The function $f(x) = ax^2 + bx + c$, where $a$, $b$, and $c$ are constants, has a minimum value of 5 at $x = 2$. If the graph of $f(x)$ intersects the y-axis at $(0, 9)$, what is the value of $c$?
A. 1
B. 5
C. 9
D. 13