wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Which of the following relations between two sets are functions?


A

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C

No worries! We‘ve got your back. Try BYJU‘S free classes today!
D

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct options are
B


D


In the image given below, the second element in the first set has no image in the second set. Therefore, this relation is not a function.

In the image given below, all the elements in the first set have images, and each element has one and only one image. Therefore, this relation is a function.

In the image given below, the second element of the first set is mapped to two different elements or in other words, it has two images. Therefore, this relation is not a function.

In the image given below, all the elements in the first set have only one image. Therefore, this relation is a function.
Note: In a function, the elements of the first set can have common images but a single element is not allowed to have multiple images.


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Definition of Function
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon