Algebraic Expression
Source:
March 2, 2010
Problem Statement
The expression \frac{1^{4y\minus{}1}}{5^{\minus{}1}\plus{}3^{\minus{}1}} is equal to:
(A)\ \frac{4y\minus{}1}{8} \qquad
(B)\ 8 \qquad
(C)\ \frac{15}{2} \qquad
(D)\ \frac{15}{8} \qquad
(E)\ \frac{1}{8}