Answer:
In a nutshell, cannot be 3 or 6 in the inverse function for all distinct from 2 and 5.
Step-by-step explanation:
From Functional Theory we remember that a function is a relation in which all elements of its domain has an unique and different element from range. If is the image of the inverse, which is a function, then . Otherwise, the inverse could not be a function when .
In a nutshell, cannot be 3 or 6 in the inverse function for all distinct from 2 and 5.