Question

Which relation below is a function?

PLEASE I Need help

Answer 1

D is Function and A, B and C are Non-Function

Explanation:

If we looked at A, B and C we will see that X has the same values.

Rules: Function should always have different X values.

Answer 2

B

Explanation:

If each input value leads to only one output value, classify the relationship as a function. If any input value leads to two or more outputs do not classify the relationship as a function.