Question

Is the relation a function? {(14, 15), (5, 7), (3, 10), (11, 1), (5, 8)}

Answer 1

No.

Explanation:

The x-value (5) produced two y-values (7 & 8), so it is not a function. It is only a function if the x-value produces only one y-value.

Answer 2

no because one of the x values repeat