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Does the graph of the function f (x) = ...

Does the graph of the function ` f (x) = x^(2) -3` have y - axis symmetry?

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We need to check if f(a) = f(-a).
` f(-a) = (-a)^(2) - 3 = a^(2) - 3 = f(a)`
Therefore, the function ` f(x) = x^(2) - 3` must have y - axis symmetry.
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