Question

Determine which relation is a function.








A.

{(–4, 3), (–2, 3), (–1, 2), (2, 5), (3, 2)}








B.

{(–4, 1), (–2, 3), (–2, 1), (–1, 5), (3, 2)}








C.

{(–4, 1), (–2, 3), (–1, 2), (3, 5), (3, 2)}








D.

{(–4, 1), (–2, 3), (–1, 1), (–1, 5), (3, 2)}

Answer 1

WILL FAN AND MEDAL.

Answer 2

A function is a set of ordered pairs in which each x value has only one y value associated with it
first number in order pair is x-coordinate
~
http://www.regentsprep.org/regents/math/algtrig/atp5/lfunction.htm
in order to relation becomes a functions, x values shouldn't repeat

Answer 3

the link doesn't work

Answer 4

it's okay just read first sentence
A function is a set of ordered pairs in which each x value has only one y value associated with it

Answer 5

okay thanks.