2000002402

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