2017 AMC 12B Problems/Problem 23

Problem 23

The graph of $y=f(x)$ , where $f(x)$ is a polynomial of degree $3$ , contains points $A(2,4)$ , $B(3,9)$ , and $C(4,16)$ . Lines $AB$ , $AC$ , and $BC$ intersect the graph again at points $D$ , $E$ , and $F$ , respectively, and the sum of the $x$ -coordinates of $D$ , $E$ , and $F$ is 24. What is $f(0)$ ?

$\textbf{(A)}\quad {-2} \qquad \qquad \textbf{(B)}\quad 0 \qquad\qquad \textbf{(C)}\quad 2 \qquad\qquad \textbf{(D)}\quad \dfrac{24}5 \qquad\qquad\textbf{(E)}\quad 8$

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2017 AMC 12B Problems/Problem 23

Problem 23

Solution