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Suppose that f has a domain of A and g has a domain of B.

(a). What is the domain of f + g?
(b). What is the domain of fg?
(c). What is the domain of f/g?

Is there a mathematical rule or theorem for this type of question?

  • Pre-Calc -

    I know (a) and (b) is the intersection of domain A and B. But how would I express the domain of f/g?

  • Pre-Calc -

    Type your question in google.

    When you see list of results go on :

    a n s w e r s y a h o o dot com

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