jessica0123 jessica0123

03-08-2017
Mathematics

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When combining functions, what operation requires that you restrict the domain of one or both functions?

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sergibcnusa sergibcnusa

03-08-2017

Ugh! Many, of the four basic ones, + - * and /, division restricts it. Nut sqrt() would also. So, if it is about the four elementary operations, the answer is division. (When the denominator is zero, it can;t belong to the domain)

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