Question

PLEASE HELP. WILL MEDAL AND FAN !
1. Which set of ordered in the form of (x, y) does not represent a function of x?
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 1

@kirbykirby

Answer 2

@iambatman

Answer 3

A function should only have one associated y-value for a given x. This means, if you have ONE value of x that has 2 or more associated y-values, then it won't be a function. Can you identify any set, where there is one same x-value used but has 2 different y-values?

Answer 4

Does that make sense?

Answer 5

C?

Answer 6

@kirbykirby

Answer 7

yeah C is good :)