Question

Which of the following relation is not function ?

a) {(2,1), (3,1), (4,1)}

b) {(2,5), (2.6), (2,7)}

c) {((2,1), (3,2) }

d) {(2,1), (1,2)}​

Answer 1

Answer:

a) {2,1}, (3,1), (4,1)}

explanation:

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