Question

2) Which sets of ordered pairs repr
functions from A= {1, 2, 3,4} to B={
1,2,3}? Justify.
(a) {(1,0), (3,3), (2,-1), (4,1), (2,2)}
(b) {(1,2), (2,-1), (3,1), (4,3)}
(c) {(1,3), (4,1), (2,2)}
(d) {(1,1), (2,1), (3,1),(4,1)}​

Answer 1

Answer:

Step-by-step explanation:

D last set represent a function

Since every element in the domain is associated with only one element in co domain I.e B

There fore D is the option

If you didn't get it comment

Answer 2

Answer:

D

Step-by-step explanation:

because every element of set A has been assigned only one element in set B