Find the inverse of f(x) = x^2 - 7

Elis Byberi asked Dec 24, 2023

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Elis Byberi asked Dec 24, 2023

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22 votes

Answer:

y = ± sqrt(x+7)

Explanation:

y = x^2 -7 solve for 'x' .... add 7 to both sides

y+7 = x^2 sqrt both sides

+- sqrt(y+7) = x switch 'x' and 'y'

y = +- sqrt(x+7)

John Hall answered Dec 28, 2023

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