contestada

Which function below is the inverse of f(x) = x2 − 16?

x squared over 16

±4square root of x

±square root of the quantity x plus 16

1 over quantity x squared minus 16

Respuesta :

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

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