Which function is a quadratic function?

A) p(x) = 2x (x^2 + 6) + 1
B) m(x) = -4 (x + 3) -2
C) t(x) = -8x^2 (x^2 - 6) + 1
D) h(x) = 3x (x - 2) - 4

Which function is a quadratic function A px 2x x2 6 1 B mx 4 x 3 2 C tx 8x2 x2 6 1 D hx 3x x 2 4 class=