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OpenStudy (anonymous):
excluded value of m+7/m^2+4m-21
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OpenStudy (tkhunny):
AS WRITTEN, the excluded value is m = 0. If you meant, m+7/(m^2+4m-21), that is a different issue. Factor the denominator and see what is NOT in the Domain. Do you know the difference between what you wrote and what you intended?
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