Find the domain of the rational function.
f(x) = x
x2 − 64

All real values of x such that −∞ < x < −8 and 8 < x < ∞
All real values of x such that −8 ≤ x ≤ 8
All real values of x such that x ≠ −8 and x ≠ 8
All real values of x such that −64 ≤ x ≤ 64
All real values of x such that x ≠ −64 and x ≠ 64

Answer:
(3)
All real values of x such that x ≠ −8 and x ≠ 8