Answer:
the given relation is not a Function.
Step-by-step explanation:
For a relation to be a function, No two input must have more than one output.
That means no two value of x must have more than one value of f(x).
For the given question;

For the input of value 1, there are two outputs 2 and 8.

Since there are more than one output for the input, it is not a function.
Therefore, the given relation is not a Function.