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18-10-2017
Mathematics

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for f(x)=2x+1 and g(x)=x squared - 7, find (f+g)(x)

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choixongdong choixongdong

18-10-2017

For f(x)=2x+1 and g(x)=x^2 - 7,
so
(f+g)(x) = 2x + 1 + x^2 - 7
(f+g)(x) = x^2 + 2x - 6

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