Question

Which of the sets of ordered pairs represents a function?

A = {(−5, 5), (−2, 2), (2, −2), (5, −5)}

B = {(4, 2), (3, −2), (9, 4), (11, −3)}

Answer 1

@nincompoop

Answer 2

@saseal

Answer 3

you know whats a function?

Answer 4

yes

Answer 5

each input has exactly 1 output, so compare the ordered pairs see if there's anything that does not follow this rule

Answer 6

a matches right

Answer 7

yea now try B

Answer 8

does not match

Answer 9

why not?

Answer 10

becaues the numbers dont match like a

Answer 11

no it doesnt work like this, it doesnt have to have a pattern of some sort

Answer 12

oh so they do match

Answer 13

yes