irishman300 irishman300

07-10-2016
Mathematics

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Given that f(x) = 2x + 1, find g(x) if g(x) = 2[f(x)]^2 - 1

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08-10-2016

g(x) = 2[f(x)]^2 - 1 g(x) = 2[2x + 1]^2 - 1 g(x) = 2[[tex]4 x^{2} [/tex]4x+1] - 1 g(x) = [tex]4 x^{2} +4x+1[/tex] - 1 g(x) = [tex]4 x^{2} +4x[/tex]

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