CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
Question

If X={1,2,3,4,5} and Y={1,3,5,7,9}, then which of the following relation(s) is/are not a function from XY?

A
R1={(x,y)y=2+x,xX,yY}
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
R2={(1,1),(2,1),(3,3),(4,3),(5,5)}
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
R3={(1,1),(1,3),(3,5),(4,7),(5,7)}
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
R4={(1,3),(2,5),(3,4),(4,9)}
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D R4={(1,3),(2,5),(3,4),(4,9)}
R1 is not a function from X to Y, because there are no images of 2,4 present in Y

R3 is not a function from X to Y, because there are two images of 1 present in Y

R4 is not a function from X to Y, because 4 is not present in Y and the image is 5 is not defined

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