Question

List the possible rational roots for the equation:
4x4 + 4x3 + 17x2 + 16x + 4 = 0

A. {±1, ± 4, ± 0.5}
B. No answer is correct.
C. {1, 2, 4, 0.5, 0.25}
D. {±1, ± 2, ± 4, ± 0.5, ± 0.25}