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06-06-2016
Mathematics

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Solve the following equation:(g x f)(x) when f(x) = x+5 and g(x) = 7x

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07-06-2016

(g o f)(x)=g(f(x))

basically
put f(x) for every x in g(x)
g(f(x))=7(f(x))
f(x)=x+5
g(f(x))=7(x+5)
g(f(x))=7x+35

(g o f)(x)=7x+35

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