Question

Which relation is a function?

A.
(–8, –3), (–1, –5), (–8, –2)

B.
(1, –3), (5, –3), (–3, 7)

C.
(–3, 0), (5, 9), (–3, 2)

D.
(1, 2), (1, 1), (0, 1)

Answer 1

i think the concept of whats a function and whats a relation is important even in your further math studies so please do watch it and understand
https://www.khanacademy.org/math/algebra2/functions_and_graphs/copy-of-relationships_functions-2014-03-28T18:09:49.924Z/v/relations-and-functions

Answer 2

i will give A medal for who ever knows the answer

Answer 3

The answer is B.

Answer 4

In a function, you can have the same y values as long as they each have a different x value. If there is duplicate x values and different y values paired with them then you do not have a function.