Answer:
Explanation:
let : f(x) = (x²-x+1)/x+1
limf(x) = lim(x²/x) = limx = - -∞ and limf(x) =+ ∞
 x → - -∞ x → +∞
lim/f(x)/ = ∞ ....... x = 1 is the line asymptote 
limf(x)/x = 1
 x → + -∞ 
lim (f(x) -x ) = -1 .....so y =x -1 is the second line asymptote
x → + -∞
 x → 1