Question

7.
Also give the appropriate reasons to support
your answer:
a. {(7,5), (8, 5), (4, 5), (6, 5), (9,5)}
b. {(x, y), (x, 3), (x, 4), (x, 5), (x, 6)}
c. {(2, 3), (3, 4), (4, 5), (5, 4)}
Which of the following relations are functions?​

Answer 1

Answer:

answer-(a)

Step-by-step explanation:

because each element has one and only image in given relation.