MathDB

4

Part of 1958 AMC 12/AHSME

Problems(1)

Complex Fraction Substitution

Source:

6/13/2009
In the expression \frac{x \plus{} 1}{x \minus{} 1} each x x is replaced by \frac{x \plus{} 1}{x \minus{} 1}. The resulting expression, evaluated for x \equal{} \frac{1}{2}, equals: (A)\ 3\qquad (B)\ \minus{}3\qquad (C)\ 1\qquad (D)\ \minus{}1\qquad (E)\ \text{none of these}