Relationship Between x and y
Source:
February 1, 2009
Problem Statement
The formula expressing the relationship between and in the table is:
\begin{tabular}{|c|c|c|c|c|c|} \hline x & 2 & 3 & 4 & 5 & 6 \\
\hline y & 0 & 2 & 6 & 12 & 20 \\
\hline \end{tabular}
(A)\ y \equal{} 2x \minus{} 4 \qquad(B)\ y \equal{} x^2 \minus{} 3x \plus{} 2 \qquad(C)\ y \equal{} x^3 \minus{} 3x^2 \plus{} 2x
(D)\ y \equal{} x^2 \minus{} 4x \qquad(E)\ y \equal{} x^2 \minus{} 4