SubArea: Properties of FunctionsLevel: BProject ID: 2000002402Accepted: 0Clonable: 0Easy: 1Find the domain of the function \( f(x)= \frac{x^2 -1}{(x+1)^2}\).\( \mathbb{R} \setminus \{-1\} \)\( (-1,\infty ) \)\( (-\infty, -1) \cup (1,\infty) \)\( [ -1, \infty) \)