saramilien saramilien

19-01-2016
Mathematics

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Which function below is the inverse of f(x) = x^2 - 16

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Panoyin Panoyin

20-01-2016

[tex]f(x) = x^{2} - 16[/tex]
[tex]y + 16 = x^{2} - 16 + 16[/tex]
[tex]y + 16 = x^{2}[/tex]
[tex]\sqrt{y + 16} = \sqrt{x^{2}}[/tex]
[tex]\±\sqrt{y + 16} = x[/tex]
[tex]\±\sqrt{x + 16} = y[/tex]
[tex]\±\sqrt{x + 16} = f^{-1}(x)[/tex]

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