What are the possible rational zeros of f(x) = x4 - 4x3 + 9x2 + 5x + 14?

A) ± 1, ± 1 over 2, ± 1 over 7, ± 1 over 14

B) ± 1, ± 2, ± 7, ± 14

C) ± 1, ± 1 over 4,± 1 over 5, ± 1 over 9, ± 1 over 14.

D) ± 1, ± 4, ± 5, ± 9, ± 14.

What are the possible rational zeros of f(x) = x4 - 4x3 + 9x2 + 5x + 14?

A) ± 1, ± 1 over 2, ± 1 over 7, ± 1 over 14

B) ± 1, ± 2, ± 7, ± 14

C) ± 1, ± 1 over 4,± 1 over 5, ± 1 over 9, ± 1 over 14.

D) ± 1, ± 4, ± 5, ± 9, ± 14.