Question

8. What value of b, would make the relation {(0,4), (8,1), (b,5), (3,6)} a function?

a. 0
b. 8
c. 5
d. 3
e. None of the above

Answer 1

keeping in mind that a function does not have any X-Repeats, that is, the 1st coordinate in every pair never repeats, Check the picture below.