In algebra/trig. what kinds of problems have a domain and a range ?(adsbygoogle = window.adsbygoogle || []).push({});

Is this true for anything that can be graphed? Because alot of the time after you finish a problem in precalc. it then asks for the domain or range, so the question becomes, in mathematics, is it possible to find the domain and range, for ANY math problem, or what kind of areas of math does the concept of domain and range apply to ? To any math problem period?

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# Which concepts in algebra/trig. have a domain and range

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