22: Conditions x + 1 ≥ 0, the denominator is not zero give the domain
D( f ) = [−1,0) ∪ (0,∞).
Now it is time to find limits at −1 from the right, at 1 from the left and from the right, and at ∞.
Hint on limit at −1 from the right Hint on limit at 0 from the left Hint on limit at 0 from the right Hint on limit at ∞ Answer