The formula which expresses the relationship between x and y as shown in the accompanying table is:
\begin{tabular}[t]{|c|c|c|c|c|c|}\hline
x&0&1&2&3&4\\\hline
y&100&90&70&40&0\\\hline
\end{tabular}
<spanclass=′latex−bold′>(A)</span> y=100−10x<spanclass=′latex−bold′>(B)</span> y=100−5x2<spanclass=′latex−bold′>(C)</span> y=100−5x−5x2<spanclass=′latex−bold′>(D)</span> y=20−x−x2<spanclass=′latex−bold′>(E)</span> None of these calculusderivativequadraticsalgebrasystem of equationsarithmetic series