Question

Which of the following relations is a function?
{(2, 2), (3, 3), (4, 4), (5, 5)
B. {(2, 1), (2, 3), (3, 6), (3, 7)}
C. {(3, 5), (4, 9), (4, 11), (5, 14)}
D. {(4, 8), (6, 6), (8, 4), (8, 2)}

Answer 1

HLEP PLEASE

Answer 2

A

Answer 3

ok. lets define a function first.
for a relation in order to be a function, it should go to one number I mean for example 2 must go only one number so only d is a function

Answer 4

ım sorry ı wrote wrong a is the function

Answer 5

do u know vertical line test for a function?

Answer 6

SO its A ?

Answer 7

sure A