Question

Which set is a relation but NOT a function?

a. (1.2). (2.2). (3,5), (6,7)
b. (2,3), (3,4), (6,8). (4.9)
c. (1.1). (1.2). (1.3). (1.4)
d. (2.1). (3.1). (4,5). (6.7)​

Answer 1

Answer:

d. (2.1). (3.1). (4,5). (6.7)