Let y = f(2) be the particular solution to the differential equation = y² with the initial condition f(1) = 1. Which of the following gives an expression for f (x) and its domain?
a. f(x) = (2x - 1)/x for x ≠ 0
b. f(x) = (2x - 1)/x for x > 0
c. f(x) = 1/(2 - x) ≠ 2
d. f(x) = 1/(2 - x) < 2