Question

State the domain of the following relation and state if it is a function. (2, 4), (8, 6), (5, 5), (2, 7), (4, 5) A. {2, 4, 5, 8}; Yes B. {4, 5, 6, 7}; Yes C. {2, 4, 5, 8}; No D. {4, 5, 6, 7}; No

Answer 1

if you have given options then option A is correct (2,5,8,4) and yes it is a function