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23 March, 21:16

If f (x) = x2 - 1, what is the equation for f-1 (x) ?

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  1. 23 March, 21:48
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    -1 (1) = (2) - 1 because you replace x with one since there is no number in front then you solve - 1=-2 but make sure to multiply those four #'s
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