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