Finding domain

Write the following problems Attachment 1Attachment 2Attachment 3Attachment 4Attachment 5Attachment 6Attachment 7Let f = {( – 2,1),(0, – 2)} and g = {( – 2, – 4),(3,0),(5,6)}.Find g – f and its domain.What is the domain of g – f?(Use a comma to separate your answers.)