JUMAOASNINA66IN JUMAOASNINA66IN Math Answered 1. Which of the following is a polynomial function? A. f(x) = 2x +5x-1 B. f(x) = x2 - 2x - 15 C. f(x) = x1/2 + 2x - 4 D. f(x) = x3 + 2x2 + 3x - 4