melissa21954 melissa21954

27-05-2017
Mathematics

contestada

Which of these is the composite function f(g(x))? f(x) = x2 – 5 g(x) = 9x – 2

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WojtekR WojtekR

27-05-2017

[tex]f(x)=x^2-5\\\\g(x)=9x-2\\\\\\f(g(x))=\big(9x-2\big)^2-5=81x^2-2\cdot9x\cdot2+4-5=\boxed{81x^2-36x-1}[/tex]

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