The function p(x) is given by p(x) = A/xμ where A and μ are constants with μ > 1 and 1 < x < ∞ and p (x) = 0 for -∞ < x < 1. For p(x) to be a probability density function, the value of A should be equal to

• A. μ - 1
• B. μ + 1
• C. 1/ (μ - 1)
• D. 1/ (μ + 1)