Question

What are the possible rational zeros of f(x) = x^4 – 4x^3 + 9x^2 + 5x + 14?

Answer 1

all fractions of the form
\[\frac{p}{q}\] where p divides 14 and q divides 1 (the leading coefficient).
since the only factor of 1 are 1 and -1 you job is easier. it is just
\[\pm1,\pm2,\pm7,\pm14\]