aozitek aozitek 15-04-2020 Mathematics contestada Which represents a quadratic function? f(x) = −8x3 − 16x2 − 4x f (x) = 3/4 x 2 + 2x − 5 f(x) = 4/ x^2 - 2/x + 1 f(x) = 0x2 − 9x + 7