Question

Which relation does not represent a function?
Answer
(2, 0), (4, 6), (6, 8), (10, 6)
(-5, 3), (-3, 1), (0, -4), (3, -6)
(-4, 2), (1, 5), (-2, 0), (1, 6)
(-3, 6), (-1, 1), (0, 1), (3, 7)

Answer 1

A function is a relation such that f(a)=b, f(a)=c implies b=c.

Answer 2

Whatever doesn't meet that criterion is not a function.

Answer 3

im confused... like whats the answer and why is it the answer?
im honestly lost

Answer 4

(0,1),(1,2) and (2,3) is a function because every x value is associated with only one y value.

Answer 5

(1, 2) and (1, 3) is not a function because the same x value is associated with two y values.

Answer 6

third option is not a function as 1--> 5 and 1---> 6
one-to many relation is not a function

Answer 7

oohhh.... thanks guys =)

Answer 8

yw