Answer
(there are multiple possible answers to this item)
$\\\\$The function whose input is the name of my hometown resident and whose output is the name of that resident's biological mother.
Work Step by Step
There are multiple possible answers to this item, one of which would be:
$\\\\$A function whose input is the name of the resident and whose output is the name of the resident's biological mother.
$\\\\$The domain of this function is the set of all residents of my hometown.
