Wednesday, November 18, 2009

PS 89


(A) –1
(B) -1/2
(C) 1/2
(D) 1
(E) 2

1 comment:

  1. Correct answer - C
    Since Y=X/2 then
    (x-x/2)/x;
    (x/2)/x;
    x/2*1/x;
    1/2

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