Express the following as rational functions: f(x) = x/(x - 2), g(x) = 5 - x/(5x), and h(x) = x/(13x - 1). What is the result of f(x₁) g(x₁)?
a) x₁/(5x₁ - 1)
b) (x₁ - 2)/(5x₁)
c) (x₁ - 2)/(5x₁ - 1)
d) (x₁)/(5x₁ + 2)