Here's the question you clicked on:
douglas12
Given the relation {(7, 3), (-6, 1), (4,9), (-2, 5)} find the domain of its inverse. A. (-6, -2, 4, 7) B. (1, 3, 5, 9) C. There is no domain. D. There is no inverse.
http://www.mathwarehouse.com/algebra/relation/images2/domain-range-picture.gif
inverse I gather is meant to be the Range
woops, yes, the Domain will be the set in A)