a8ngemioDien a8ngemioDien

05-10-2016
Mathematics

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Find the domain of the composite function fog (x) if f(x)= 2x+1; g(x)= x +4

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mrinconj mrinconj

05-10-2016

fog(x)= 2(x+4)+1 = 2x+8+1 = 2x+9 so the domain are all of real numbers

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