Answer:
The potential roots of the function are ±6, ±1, ±3. The options 1, 2 and 3 are correct.
Step-by-step explanation:
The given function is
According to the rational root theorem, all the possible roots of the function are in the form of
In the given function constant term is -12 and the leading coefficient is 1.
Factors of -12 are ±1, ±2, ±3, ±4, ±6, ±12.
The factors of 1 are ±1.
By using rational root theorem, the potential roots of the function are ±1, ±2, ±3, ±4, ±6, ±12.
Therefore the options 1, 2 and 3 are correct.