Question

función inversa f(x)=x²-1​

Answer 1

Respuesta:

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$f(x) = {x}^{2} - 1$

$0 = {x}^{2} - 1$

$- {x}^{2} = - 1$

${x}^{2} = 1$

x = ± 1

$x = - 1 \\ x = 1 \: \: \: \:$

$x_{1} = - 1, x_{2} = 1$

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