Equal functions are two functions that have same domains, and, for each value in the domain set, equal range values respectively.
How to Interpret Domain and Range?
Two functions f(x) and g(x) are equal functions if;
a) domain (f(x)) = domain g(x)
b) f(x) = g(x) for all x in X that is Range f(x) = Range g(x)
Thus, by definition of equal functions;
Two functions are said to be equal or identical if-
(1) They have same domain.
(2) They have same Range
Thus Equal functions are two functions that have same domains, and, for each value in the domain set, equal range values respectively.
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