What's the inverse of {(4,1), (3, 2), (6, 9), (8, 5)}?

Question

(A) {(8,5), (6,9), (3,2), (4,1)}

(B) {(4,1), (3,2), (6,9), (8,5)}

(C) {(1,4), (2,3), (9,6), (5, 8)}

(D) {(1,2), (9,5), (4,3), (6,8)}

Answer 1

Just switch the x's and the y's in each ordered pair.