Which statements below are true about the graph of the function f(x) = 1/x+2?
I. The graph represents a rational function
II. The graph has a vertical asymptote at x = -2
III. The graph has a y-intercept at ( 0, 12 )
IV. The graph is continuous
A. All statements are true
B. I, II and III only
c. IV only
d. I and II only