Question

Given the relation {(7, 3), (-6, 1), (4,9), (-2, 5)} find the domain of its inverse

Answer 1

The inverse of a function of (x,y) is (y,x), therefore the inverse of the given relation is {(3,7), (1,-6), (9,4), (5,-2)}

Thus the domain of the inverse is
x = {3,1,9,5}