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#5. Please find A,B,C, and D along with their domains. Thanks!!!!

label Mathematics
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Apr 6th, 2015

a) (fog)x = (sqrt(x-2))^2+7 = x-2+7 = x+5  The domain is x>/=2

b) (gof)x = sqrt(x^2+7-2) = sqrt(x^2+5)  The domain is all real numbers

c) (fof)x = (x^2+7)^2+7 = x^4+14x^2+56  The domain is all real numbers

d) (gog)x = sqrt(sqrt(x-2)-2)  The domain is x>/= 6

Apr 6th, 2015

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Apr 6th, 2015
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Apr 6th, 2015
Sep 19th, 2017
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