How is this problem done, and what answers would you get for it?

List all possible rational roots for the function

Give your list in increasing order. Beside each possible rational root, type "yes" if it is a root and "no" if it is not a root. Leave any unnecessary answer blanks empty.

Possible rational root: Is it a root? .

Possible rational root: Is it a root? .

Possible rational root: Is it a root? .

Possible rational root: Is it a root? .

Possible rational root: Is it a root? .

Possible rational root: Is it a root? .

Possible rational root: Is it a root? .

Possible rational root: Is it a root? .

Possible rational root: Is it a root? .

Possible rational root: Is it a root? .

Possible rational root: Is it a root? .

Possible rational root: Is it a root? .