List all of the possible rational zeros of f(x)=-3x⁴ - 9x³ - 6x² - 8x + 14
a. =1± 2, ± 7± 14
b. =1± 2, ± 1, ± 14, ± 13, ± 23
c. ± 13± 23, ± 73, ± 143
d. ± 1, ± 2, ± 7.=13± 23, ± 73