MathDB
Simple function

Source: AHSME 1991 problem 1

October 15, 2011
functionAMC

Problem Statement

If for any three distinct numbers aa, bb and cc we define a,b,c=c+ac−b,\boxed{a,b,c} = \frac{c + a}{c - b}, then 1,−2,−3=\boxed{1,-2,-3}=
<spanclass=′latex−bold′>(A)</span> −2<spanclass=′latex−bold′>(B)</span> −25<spanclass=′latex−bold′>(C)</span> −14<spanclass=′latex−bold′>(D)</span> 25<spanclass=′latex−bold′>(E)</span> 2 <span class='latex-bold'>(A)</span>\ -2\qquad<span class='latex-bold'>(B)</span>\ -\frac{2}{5}\qquad<span class='latex-bold'>(C)</span>\ -\frac{1}{4}\qquad<span class='latex-bold'>(D)</span>\ \frac{2}{5}\qquad<span class='latex-bold'>(E)</span>\ 2
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