erinward62 erinward62

15-02-2017
Mathematics

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If f(x)=2x-4and g(x)=x^2 what is f(g(x))

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apologiabiology apologiabiology

15-02-2017

f(g(x))
sub g(x) for every x in f(x)

f(g(x))=2(g(x))-4
f(x^2)=2(x²)-4
f(g(x))=2x²-4

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