Question

Select either relation (if the set is a relation but not a function), function (if the set is both a relation and a function), or

neither (if the set is not a relation).
A = {(1, 2) (2, 2) (3, 2) (4.2}]
relation
function
neither

Answer 1

Explanation:

A={(1,2),(2,2),(3,2),(4,2)}

Domain:{1,2,3,4}

Range:{2}

it is both a relation and a function.