Question

Find the inverse of the function y = x2 - 12.

Answer 1

Answer:

$x = \pm\sqrt{y + 12}$

Step-by-step explanation:

$y = {x}^{2} - 12 \\ y + 12 = {x}^{2} \\ \pm\sqrt{y + 12} = x \\ x = \pm\sqrt{y + 12} \\ is \: the \: required \: inverse \: function$