deisharenae05 deisharenae05 27-10-2020 Mathematics contestada Which represents a quadratic function? f(x) = -8x3 - 16x2 - 4x f(x) = 3/4 x2 + 2x - 5 f(x) = 4/x2 - 2/x + 1 f(x) = 0x2 - 9x + 7