Write a polynomial function of minimum degree with real coefficients whose zeros include those listed. Write the polynomial in standard form. 2, -4, and 1 + 3i f(x) = x^4 - 2x^2 + 36x - 80 f(x) = x^4 - 3x^3 + 6x^2 - 18x + 80 f(x) = x^4 - 9x^2 + 36x - 80 f(x) = x^4 - 3x^3 - 6x^2 + 18x - 80