For the function
f(x) = {
2, x ≤ 0;
x"+3x+2 / x"-1, x > 0.
which of the following statements is TRUE:
The function has two vertical asymptotes at x = -1 and x = 1.
The function has two horizontal asymptotes: y = -1 and y = 1.
The function has a single horizontal asymptote: y = 1.
The function has a single vertical asymptote: x = 1.
The function does not have any horizontal asymptotes.