The function f, of, x, equals, 4, x, to the power 4 , minus, 16, x, cubed, plus, 21, x, squared, minus, 11, x, plus, 2f(x)=4x 4 −16x 3 +21x 2 −11x+2 has at least two rational roots. Use the rational root theorem to find those roots, then proceed to find all complex roots. (Note: roots may be integer, rational, irrational, and/or complex.) Answer Attempt 1 out of 2 There are two roots : , Submit Answer