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no restriction
[no restriction|no restriction] The function f(x) = x³ is defined for all real numbers because the cube root of any real number is defined.
Definition
no restriction The function f(x) = x³ is defined for all real numbers because the cube root of any real number is defined.
Causes
no restriction The function f(x) = x^3 allows unrestricted input because any real number has a cube root.
Examples
no restriction The function f(x) = x^3 allows taking the cube root of any real number, with no restriction on x.