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

Explanation

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.