Consider the graph of f(x) given below.

The function g(x) is a transformation of Rx). If g(x) has a y-intercept of -2, which of the following functions could represent g(x)?
A. g(x) = f(x) - 5
B. g(x) = f(x - 5)
C. g(x) = f(x + 2)
D. g(x)=f(x)-2