Which description best explains the domain of open paren g circ f close paren times x ?
A
the elements in the domain of f of x for which g of f of x is definedB
the elements in the domain of g of x for which g of f of x is definedC
the elements in the domain of f of x for which g of f of x is not zeroD
the elements in the domain of g of x for which g of f of x is not zero