The function .

Theorem :

Any rational function is continuous at every number on its domain.

Numerator : The domain of the cube root function is and it is continuous in its domain.

Denominator : The domain of polynomial function is and it is continuous in its domain.

Domain :

All possible values of is the domain of the function.

The denominator of the function should not be zero.

.

Domain of the function is .

The function is continuous at every number in its domain.

Domain of the function is .