Question

00:00

Does each relation represent a function? Choose Yes or No.
(1, 3). (2,5), (2.7).(4.9) Choose...
(1,3), (2,5), (3, 7),(4, 9) Choose...
(1,3), (1,5), (1, 7). (1,9) Choose... v
Choose.
(1,3), (2, 3), (3, 3). (4,3)
Yes or no for each function pair please?

Answer 1

no,yes,no,yes

Explanation:

if you wanna check if a relation is function or not , you can simply check if you have more than one x with same y.for example : for the first relation, you have (2,5) and (2,7) . so this isnt a function