hey i am trying to figure out this equation, dont know where to start with it? Would anyone be able to give me any guidence ?(adsbygoogle = window.adsbygoogle || []).push({});

If f(x) = 2 x - 4 and g(x) = x² - x - 4, work out f(g(3)).

Any help would be great

Thank you

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# Equation troubles

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