Find the vertical and horizontal asymptotes for the graph of the given rational function. (Enter your answers as comma-separated lists of equations. If an answer does not exist, enter DNE.)

f(x) = x²/x² -16

Find x- and y-intercepts of the graph. (If an answer does not exist, enter DNE.)

x-int = (x,y)= ( )

y-int = (x,y)= ( )