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Verified Answer :

MatCauthon

You are trying to find what x to put into f(x) to get out 46. To do this, solve the following equation.
\(x^{2} -3 = 46\)
\(x^2 = 49\)
\(x^2 = \sqrt{49}\)
Therefore x = 7 or x = -7

-7, 7

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