f(x)=x-9/x-3
find domain and range
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domain=x-9 ,range=x-3. please remember. that in relation from A to B suppose
R={ (a, b),(c, d)} the domain is the set of all first components of the ordered Pairs belonging to relation R that is a and c. And the set of all the second components of the ordered pairs belonging to relation R is called the range. that is b and d.
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