praptainagravi praptainagravi 21-11-2016 Mathematics contestada Which of the following expressions is a polynomial? A. f(x)=4/x-11x^2 B. 4x^3-13x^2+5x C. 5x^3+7x^4-1/2x D. -3x^4+8x^2-2√x+1 ...?