Question

Please help! Will give medal and fan!
Which set of ordered pairs in the form of (x, y) does NOT represent a function of x?

Answer 1

a) {(-1, 2), (3, -2), (0, 1), (5, 2)}
b) {(-1, 2), (3, 2), (-2, 2), (0, 2)}
c) {(-1, 2), (3, -2), (0, 1), (3, 5)}
d) {(-1, 2), (2, 3), (3, -2), (-2, 0)}

Answer 2

@ganeshie8 @hartnn @TuringTest

Answer 3

Well, if y doesn't change when x changes, can you call it a function?

Answer 4

do u need help?

Answer 5

a function can not link single value to element

Answer 6

one element can not be linked to 2 values

Answer 7

like in 3rd one
3 is linked with -2 and 5 so it is not a function